Michigan County Creation Dates and Parent Counties: Difference between revisions

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{{Note|See an interactive outline map of [http://historical-county.newberry.org/website/Michigan/viewer.htm ''Michigan Historical Counties''] at Newberry Library site<ref>[http://historical-county.newberry.org/website/Michigan/viewer.htm ''Michigan Atlas of Historical County Boundaries'', John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant. Copyright The Newberry Library 2008.</ref> (Free) Enter a year, '''Refresh Map''', select '''zoom in''', then click on the map to enlarge it.}}
 
<br>
{{Tip|Sort the table by '''Date Formed''' or by '''Parent Counties''' and check [http://historical-county.newberry.org/website/Michigan/documents/MI_County_Index.htm Boundary Changes] for interesting insights.}}
{| border="1" width="120%" class="sortable"
|-
|-
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Name of County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Name of County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Date Formed'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Date Formed'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" |'''Boundary<br>Changes'''
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Parent County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Parent County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Progeny County'''
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Counties Created by Boundary Changes'''
|-
|-
| [[Aishcum County, Michigan|Aishcum]]  
| [[Aishcum County, Michigan|Aishcum]]  
| nowrap="nowrap" | 01 Apr 1840
| 1840  Apr 01
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#AISHCUM Details]
| Oceana  
| Oceana  
| renamed Lake 1843
| renamed Lake 1843
|-
|-
| [[Alcona County, Michigan|Alcona]]  
| [[Alcona County, Michigan|Alcona]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALCONA Details]
| renamed from Neewago  
| renamed from Neewago  
| Oscoda
| Oscoda
|-
|-
| [[Alger County, Michigan|Alger]]  
| [[Alger County, Michigan|Alger]]  
| 17 Mar 1885
| 1885  Mar 17  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALGER Details]
| Schoolcraft  
| Schoolcraft  
| none
| none
|-
|-
| [[Allegan County, Michigan|Allegan]]  
| [[Allegan County, Michigan|Allegan]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALLEGAN Details]
| Kalamazoo  
| Kalamazoo  
| none
| none
|-
|-
| [[Alpena County, Michigan|Alpena]]  
| [[Alpena County, Michigan|Alpena]]  
| 08 Mar 1843
| 1843  Mar 08  
| nowrap="nowrap" | renamed from Anamickee  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALPENA Details]
| renamed from Anamickee  
| Alcona 1869, Oscoda 1840, Otsego 1840
| Alcona 1869, Oscoda 1840, Otsego 1840
|-
|-
| Anamickee  
| Anamickee  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Alpena 1843
| renamed Alpena 1843
|-
|-
| [[Antrim County, Michigan|Antrim]]  
| [[Antrim County, Michigan|Antrim]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ANTRIM Details]
| renamed from Meegisee  
| renamed from Meegisee  
| none
| none
|-
|-
| [[Arenac County, Michigan|Arenac]]  
| [[Arenac County, Michigan|Arenac]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ARENAC Details]
| Bay, Saginaw  
| Bay, Saginaw  
| none
| none
|-
|-
| [[Baraga County, Michigan|Baraga]]  
| [[Baraga County, Michigan|Baraga]]  
| 19 Feb 1875
| 1875  Feb 19  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BARAGA Details]
| Houghton  
| Houghton  
| none
| none
|-
|-
| [[Barry County, Michigan|Barry]]  
| [[Barry County, Michigan|Barry]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BARRY Details]
| St. Joseph, Kalamazoo  
| St. Joseph, Kalamazoo  
| none
| none
|-
|-
| [[Bay County, Michigan|Bay]]  
| [[Bay County, Michigan|Bay]]  
| 17 Feb 1857
| 1857  Feb 17  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BAY Details]
| Saginaw, Midland  
| Saginaw, Midland  
| Arenac 1831
| Arenac 1831
|-
|-
| [[Benzie County, Michigan|Benzie]]  
| [[Benzie County, Michigan|Benzie]]  
| 27 Feb 1863
| 1863  Feb 27  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BENZIE Details]
| Grand Traverse, Leelanau  
| Grand Traverse, Leelanau  
| none
| none
|-
|-
| [[Berrien County, Michigan|Berrien]]  
| [[Berrien County, Michigan|Berrien]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BERRIEN Details]
| Cass  
| Cass  
| none
| none
|-
|-
| Bleeker  
| Bleeker  
| 1861  
| 1861 1  18
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Marquette  
| Marquette  
| renamed Menominee 1863
| renamed Menominee 1863
|-
|-
| [[Branch County, Michigan|Branch]]  
| [[Branch County, Michigan|Branch]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BRANCH Details]
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| [[Brown_County,_Wisconsin|Brown]]
| [[Brown_County,_Wisconsin|Brown]]
| 26 Oct 1818
| 1818  Oct 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Calhoun County, Michigan|Calhoun]]  
| [[Calhoun County, Michigan|Calhoun]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CALHOUN Details]
| St. Joseph, Kalamazoo  
| St. Joseph, Kalamazoo  
| Eaton 1829
| Eaton 1829
|-
|-
| [[Cass County, Michigan|Cass]]  
| [[Cass County, Michigan|Cass]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CASS Details]
| Lenawee  
| Lenawee  
| Berrien 1829, Van Buren 1837
| Berrien 1829, Van Buren 1837
|-
|-
| [[Charlevoix County, Michigan|Charlevoix]]  
| [[Charlevoix County, Michigan|Charlevoix]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHARLEVOIX Details]
| renamed from Reshkaiko  
| renamed from Reshkaiko  
| none
| none
|-
|-
| [[Cheboygan County, Michigan|Cheboygan]]  
| [[Cheboygan County, Michigan|Cheboygan]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHEBOYGAN Details]
| Mackinac  
| Mackinac  
| Alcona 1859, Alpena 1857, Forrest 1913, Iosco 1857, Ogemaw 1875, Oscoda 1840, Otsego 1840
| Alcona 1859, Alpena 1857, Forrest 1913, Iosco 1857, Ogemaw 1875, Oscoda 1840, Otsego 1840
|-
|-
| Cheonoquet  
| Cheonoquet  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Montmorency 1843
| renamed Montmorency 1843
|-
|-
| [[Chippewa County, Michigan|Chippewa]]  
| [[Chippewa County, Michigan|Chippewa]]  
| 26 Dec 1826
| 1826  Dec 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHIPPEWA Details]
| Mackinac  
| Mackinac  
| Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848
| Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848
|-
|-
| [[Clare County, Michigan|Clare]]  
| [[Clare County, Michigan|Clare]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CLARE Details]
| renamed from Kaykakee  
| renamed from Kaykakee  
| none
| none
|-
|-
| [[Clinton County, Michigan|Clinton]]  
| [[Clinton County, Michigan|Clinton]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CLINTON Details]
| Shiawassee, Kent  
| Shiawassee, Kent  
| Gratiot 1855
| Gratiot 1855
|-
|-
| [[Crawford_County,_Wisconsin|Crawford]] (old)  
| [[Crawford_County,_Wisconsin|Crawford]] (old)  
| 26 Oct 1818
| 1818  Oct 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Crawford County, Michigan|Crawford]]  
| [[Crawford County, Michigan|Crawford]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CRAWFORD Details]
| Michigan Territory<br>  
| Michigan Territory<br>  
| none
| none
|-
|-
| [[Delta County, Michigan|Delta]]  
| [[Delta County, Michigan|Delta]]  
| 09 Mar 1843
| 1843  Mar 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#DELTA Details]
| Schoolcraft  
| Schoolcraft  
| none
| none
|-
|-
| Demoine  
| Demoine  
| 01 Jun 1833
| 1833  Jun 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Iowa
| now in State of Iowa
|-
|-
| [[Dickinson County, Michigan|Dickinson]]  
| [[Dickinson County, Michigan|Dickinson]]  
| 15 Jan 1851
| 1851  Jan 15  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#DICKINSON Details]
| Kossuth  
| Kossuth  
| Emmet 1851
| Emmet 1851
|-
|-
| [[Dubuque_County,_Iowa|Dubuque]] (old)  
| [[Dubuque_County,_Iowa|Dubuque]] (old)  
| 06 Sep 1834
| 1834  Sep 06  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Iowa
| now in State of Iowa
|-
|-
| [[Eaton County, Michigan|Eaton]]  
| [[Eaton County, Michigan|Eaton]]  
| 29 Oct 1829
| 1829  Oct 29  
| nowrap="nowrap" | St. Joseph, Calhoun, Kalamazoo  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#EATON Details]
| St. Joseph, Calhoun, Kalamazoo  
| Ingham 1829
| Ingham 1829
|-
|-
| [[Emmet County, Michigan|Emmet]]  
| [[Emmet County, Michigan|Emmet]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#EMMET Details]
| renamed from Tonedagana  
| renamed from Tonedagana  
| Charlevoix 1869
| Charlevoix 1869
|-
|-
| [[Genesee County, Michigan|Genesee]]  
| [[Genesee County, Michigan|Genesee]]  
| 08 Mar 1836
| 1836  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GENESEE Details]
| Oakland  
| Oakland  
| none
| none
|-
|-
| [[Gladwin County, Michigan|Gladwin]]  
| [[Gladwin County, Michigan|Gladwin]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GLADWIN Details]
| Saginaw, Midland  
| Saginaw, Midland  
| none
| none
|-
|-
| [[Gogebic County, Michigan|Gogebic]]  
| [[Gogebic County, Michigan|Gogebic]]  
| 07 Feb 1881
| 1881  Feb 07  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GOGEBIC Details]
| Ontonagon  
| Ontonagon  
| none
| none
|-
|-
| [[Grand Traverse County, Michigan|Grand Traverse]]  
| [[Grand Traverse County, Michigan|Grand Traverse]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GRAND TRAVERSE Details]
| Mackinac  
| Mackinac  
| Antrim 1843, Benzie 1863, Leelanau 1863
| Antrim 1843, Benzie 1863, Leelanau 1863
|-
|-
| [[Gratiot County, Michigan|Gratiot]]  
| [[Gratiot County, Michigan|Gratiot]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GRATIOT Details]
| Saginaw, Clinton  
| Saginaw, Clinton  
| none
| none
|-
|-
| [[Hillsdale County, Michigan|Hillsdale]]  
| [[Hillsdale County, Michigan|Hillsdale]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HILLSDALE Details]
| Lenawee  
| Lenawee  
| none
| none
|-
|-
| [[Houghton County, Michigan|Houghton]]  
| [[Houghton County, Michigan|Houghton]]  
| 09 Mar 1845
| 1845  Mar 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HOUGHTON Details]
| Chippewa  
| Chippewa  
| Baraga 1875, Keweenaw 1861, Ontonagon 1848, Schoolcraft 1848
| Baraga 1875, Keweenaw 1861, Ontonagon 1848, Schoolcraft 1848
|-
|-
| [[Huron County, Michigan|Huron]]  
| [[Huron County, Michigan|Huron]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HURON Details]
| Saginaw, St. Clair, Sanilac  
| Saginaw, St. Clair, Sanilac  
| none
| none
|-
|-
| [[Ingham County, Michigan|Ingham]]  
| [[Ingham County, Michigan|Ingham]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#INGHAM Details]
| Washtenaw, Eaton, Jackson  
| Washtenaw, Eaton, Jackson  
| none
| none
|-
|-
| [[Ionia County, Michigan|Ionia]]  
| [[Ionia County, Michigan|Ionia]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IONIA Details]
| Kent  
| Kent  
| Montcalm 1831
| Montcalm 1831
|-
|-
| [[Iosco County, Michigan|Iosco]]  
| [[Iosco County, Michigan|Iosco]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IOSCO Details]
| renamed from Kanotin  
| renamed from Kanotin  
| Ogemaw 1875
| Ogemaw 1875
|-
|-
| [[Iowa_County,_Wisconsin|Iowa]]  
| [[Iowa_County,_Wisconsin|Iowa]]  
| 09 Oct 1829
| 1829  Oct 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Iron County, Michigan|Iron]]  
| [[Iron County, Michigan|Iron]]  
| 03 Apr 1885
| 1885  Apr 03  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IRON Details]
| Marquette, Menominee  
| Marquette, Menominee  
| none
| none
|-
|-
| [[Isabella County, Michigan|Isabella]]  
| [[Isabella County, Michigan|Isabella]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ISABELLA Details]
| Saginaw, Midland  
| Saginaw, Midland  
| Clare 1871
| Clare 1871
|-
|-
| Isle Royal  
| Isle Royal  
| 1875  
| 1875 5  18
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Keweenaw  
| Keweenaw  
| dissolved 1897, part of Keweenaw
| dissolved 1897, part of Keweenaw
|-
|-
| [[Jackson County, Michigan|Jackson]]  
| [[Jackson County, Michigan|Jackson]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#JACKSON Details]
| Washtenaw  
| Washtenaw  
| none
| none
|-
|-
| [[Kalamazoo County, Michigan|Kalamazoo]]  
| [[Kalamazoo County, Michigan|Kalamazoo]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KALAMAZOO Details]
| St. Joseph  
| St. Joseph  
| Allegan 1835, Barry 1829, Calhoun 1829, Eaton 1829, Kent 1836
| Allegan 1835, Barry 1829, Calhoun 1829, Eaton 1829, Kent 1836
|-
|-
| [[Kalkaska County, Michigan|Kalkaska]]  
| [[Kalkaska County, Michigan|Kalkaska]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KALKASKA Details]
| renamed from Wabasee  
| renamed from Wabasee  
| none
| none
|-
|-
| Kanotin  
| Kanotin  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Iosco 1843
| renamed Iosco 1843
|-
|-
| Kautawaubet  
| Kautawaubet  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Wexford 1843
| renamed Wexford 1843
|-
|-
| Kaykakee  
| Kaykakee  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Clare 1843
| renamed Clare 1843
|-
|-
| [[Kent County, Michigan|Kent]]  
| [[Kent County, Michigan|Kent]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KENT Details]
| Kalamazoo  
| Kalamazoo  
| Clinton 1839, Ionia 1831, Mecosta 1859, Newaygo 1840, Ottawa 1837
| Clinton 1839, Ionia 1831, Mecosta 1859, Newaygo 1840, Ottawa 1837
|-
|-
| [[Keweenaw County, Michigan|Keweenaw]]  
| [[Keweenaw County, Michigan|Keweenaw]]  
| 11 Mar 1861
| 1861  Mar 11  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KEWEENAW Details]
| Houghton, Iowa  
| Houghton, Iowa  
| Isle Royal (dissolved 1897)
| Isle Royal (dissolved 1897)
|-
|-
| [[Lake County, Michigan|Lake]]  
| [[Lake County, Michigan|Lake]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LAKE Details]
| renamed from Aishcum  
| renamed from Aishcum  
| none
| none
|-
|-
| [[Lapeer County, Michigan|Lapeer]]  
| [[Lapeer County, Michigan|Lapeer]]  
| 10 Sep 1822
| 1822  Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LAPEER Details]
| Oakland  
| Oakland  
| Sanilac 1848
| Sanilac 1848
|-
|-
| [[Leelanau County, Michigan|Leelanau]]  
| [[Leelanau County, Michigan|Leelanau]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LEELANAU Details]
| Grand Traverse  
| Grand Traverse  
| Benzie 1863
| Benzie 1863
|-
|-
| [[Lenawee County, Michigan|Lenawee]]  
| [[Lenawee County, Michigan|Lenawee]]  
| 10 Sep 1822
| 1822  Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LENAWEE Details]
| Indian lands  
| Indian lands  
| Cass 1829, Hillsdale 1835
| Cass 1829, Hillsdale 1835
|-
|-
| [[Livingston County, Michigan|Livingston]]  
| [[Livingston County, Michigan|Livingston]]  
| 24 Mar 1836
| 1836  Mar 24  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LIVINGSTON Details]
| Shiawassee, Washtenaw  
| Shiawassee, Washtenaw  
| none
| none
|-
|-
| [[Luce County, Michigan|Luce]]  
| [[Luce County, Michigan|Luce]]  
| 01 Mar 1887
| 1887  Mar 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LUCE Details]
| Chippewa, Mackinac  
| Chippewa, Mackinac  
| none
| none
|-
|-
| [[Mackinac County, Michigan|Mackinac]]  
| [[Mackinac County, Michigan|Mackinac]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MACKINAC Details]
| renamed from Michilimackinac  
| renamed from Michilimackinac  
| Cheboygan 1840, Chippewa 1826, Emmet 1853, Grand Traverse 1840, Luce 1887, Manistee 1855, Otsego 1840
| Cheboygan 1840, Chippewa 1826, Emmet 1853, Grand Traverse 1840, Luce 1887, Manistee 1855, Otsego 1840
|-
|-
| [[Macomb County, Michigan|Macomb]]  
| [[Macomb County, Michigan|Macomb]]  
| 11 Mar 1818
| 1818  Mar 11  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MACOMB Details]
| Wayne  
| Wayne  
| none
| none
|-
|-
| [[Manistee County, Michigan|Manistee]]  
| [[Manistee County, Michigan|Manistee]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MANISTEE Details]
| Mackinac, Ottawa, Oceana  
| Mackinac, Ottawa, Oceana  
| none
| none
|-
|-
| Manitou  
| Manitou  
| 13 Feb 1855
| 1855  Feb 13  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| dissolved 1895
| dissolved 1895
|-
|-
| [[Marquette County, Michigan|Marquette]]  
| [[Marquette County, Michigan|Marquette]]  
| 09 Mar 1843
| 1843  Mar 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MARQUETTE Details]
| Schoolcraft  
| Schoolcraft  
| Dickinson 1891, Iron 1885, Menominee 1863, Washington 1867
| Dickinson 1891, Iron 1885, Menominee 1863, Washington 1867
|-
|-
| [[Mason County, Michigan|Mason]]  
| [[Mason County, Michigan|Mason]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MASON Details]
| renamed from Notipekago  
| renamed from Notipekago  
| Lake 1871, Osceola 1869
| Lake 1871, Osceola 1869
|-
|-
| [[Mecosta County, Michigan|Mecosta]]  
| [[Mecosta County, Michigan|Mecosta]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MECOSTA Details]
| Kent, Newaygo  
| Kent, Newaygo  
| Clare 1871, Osceola 1869
| Clare 1871, Osceola 1869
|-
|-
| Meegisee  
| Meegisee  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Antrim 1843
| renamed Antrim 1843
|-
|-
| [[Menominee County, Michigan|Menominee]]  
| [[Menominee County, Michigan|Menominee]]  
| 19 Mar 1863
| 1863  Mar 19  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| renamed from Bleeker 1861  
| renamed from Bleeker 1861  
| Dickinson 1891, Iron 1885
| Dickinson 1891, Iron 1885
|-
|-
| Michilimackinac  
| Michilimackinac  
| 26 Oct 1818
| 1818  Oct 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Mackinac 1843
| renamed Mackinac 1843
|-
|-
| [[Midland County, Michigan|Midland]]  
| [[Midland County, Michigan|Midland]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MIDLAND Details]
| Saginaw  
| Saginaw  
| Bay 1857, Clare 1871, Gladwin 1855, Isabella 1831, Ogemaw 1875
| Bay 1857, Clare 1871, Gladwin 1855, Isabella 1831, Ogemaw 1875
|-
|-
| Mikensauk  
| Mikensauk  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Roscommon 1843
| renamed Roscommon 1843
|-
|-
| [[Milwaukee_County,_Wisconsin|Milwaukee]]
| [[Milwaukee_County,_Wisconsin|Milwaukee]]
| 06 Sep 1834
| 1834  Sep 06  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Monroe County, Michigan|Monroe]]  
| [[Monroe County, Michigan|Monroe]]  
| 14 Jul 1817
| 1817  Jul 14  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONROE Details]
| Wayne  
| Wayne  
| none
| none
|-
|-
| [[Montcalm County, Michigan|Montcalm]]  
| [[Montcalm County, Michigan|Montcalm]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONTCALM Details]
| Ionia  
| Ionia  
| none
| none
|-
|-
| [[Montmorency County, Michigan|Montmorency]]  
| [[Montmorency County, Michigan|Montmorency]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONTMORENCY Details]
| renamed from Cheonoguet  
| renamed from Cheonoguet  
| none
| none
|-
|-
| [[Muskegon County, Michigan|Muskegon]]  
| [[Muskegon County, Michigan|Muskegon]]  
| 04 Feb1 859
| 859  Feb 04  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MUSKEGON Details]
| Ottawa, Newaygo  
| Ottawa, Newaygo  
| none
| none
|-
|-
| Negwegon (old)  
| Negwegon (old)  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Alcona 1843
| renamed Alcona 1843
|-
|-
| [[Newaygo County, Michigan|Newaygo]]  
| [[Newaygo County, Michigan|Newaygo]]  
| 01 Ap 1840
| 1840  Ap  01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#NEWAYGO Details]
| Kent, Muskegon, Oceana  
| Kent, Muskegon, Oceana  
| Lake 1871, Mecosta 1854, Osceola 1869, Muskegon 1859
| Lake 1871, Mecosta 1854, Osceola 1869, Muskegon 1859
|-
|-
| Notipekago  
| Notipekago  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Mason 1843
| renamed Mason 1843
|-
|-
| [[Oakland County, Michigan|Oakland]]  
| [[Oakland County, Michigan|Oakland]]  
| 12 Jan 1819
| 1819  Jan 12  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OAKLAND Details]
| Michigan Territory  
| Michigan Territory  
| Genesee 1836, lapeer 1835, Sanilac 1848, Saginaw 1822, Shaiwassee 1822
| Genesee 1836, lapeer 1835, Sanilac 1848, Saginaw 1822, Shaiwassee 1822
|-
|-
| [[Oceana County, Michigan|Oceana]]  
| [[Oceana County, Michigan|Oceana]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OCEANA Details]
| Ottawa  
| Ottawa  
| Lake 1871, Manistee 1855, Mason 1855, Newaygo 1840
| Lake 1871, Manistee 1855, Mason 1855, Newaygo 1840
|-
|-
| [[Ogemaw County, Michigan|Ogemaw]]  
| [[Ogemaw County, Michigan|Ogemaw]]  
| 27 Feb 1875
| 1875  Feb 27  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OGEMAW Details]
| Cheboygan, Midland, Iosco  
| Cheboygan, Midland, Iosco  
| none
| none
|-
|-
| Okkado  
| Okkado  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Otsego 1843
| renamed Otsego 1843
|-
|-
| [[Ontonagon County, Michigan|Ontonagon]]  
| [[Ontonagon County, Michigan|Ontonagon]]  
| 03 Apr 1848
| 1848  Apr 03  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ONTONAGON Details]
| Chippewa, Houghton  
| Chippewa, Houghton  
| Gogebic 1881
| Gogebic 1881
|-
|-
| [[Osceola County, Michigan|Osceola]]  
| [[Osceola County, Michigan|Osceola]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OSCEOLA Details]
| renamed from Unwattin  
| renamed from Unwattin  
| none
| none
|-
|-
| [[Oscoda County, Michigan|Oscoda]]  
| [[Oscoda County, Michigan|Oscoda]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OSCODA Details]
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| [[Otsego County, Michigan|Otsego]]  
| [[Otsego County, Michigan|Otsego]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OTSEGO Details]
| renamed from Okkado  
| renamed from Okkado  
| none
| none
|-
|-
| [[Ottawa County, Michigan|Ottawa]]  
| [[Ottawa County, Michigan|Ottawa]]  
| 02 Mar 1831
| 1831  Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OTTAWA Details]
| Kent  
| Kent  
| Manistee 1855, Mason 1855
| Manistee 1855, Mason 1855
|-
|-
| [[Presque Isle County, Michigan|Presque Isle]]  
| [[Presque Isle County, Michigan|Presque Isle]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#PRESQUE ISLE Details]
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| Reshkaiko  
| Reshkaiko  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Charlevoix 1843
| renamed Charlevoix 1843
|-
|-
| [[Roscommon County, Michigan|Roscommon]]  
| [[Roscommon County, Michigan|Roscommon]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ROSCOMMON Details]
| renamed from Mikenauk  
| renamed from Mikenauk  
| none
| none
|-
|-
| [[Saginaw County, Michigan|Saginaw]]  
| [[Saginaw County, Michigan|Saginaw]]  
| 10 Sep 1822
| 1822  Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SAGINAW Details]
| Oakland  
| Oakland  
| Arenac 1883, Bay 1857, Gladwin 1855, Gratiot 1855, Huron 1840, Iosco 1857, Isabella 1831, Midland 1850
| Arenac 1883, Bay 1857, Gladwin 1855, Gratiot 1855, Huron 1840, Iosco 1857, Isabella 1831, Midland 1850
|-
|-
| [[St. Clair County, Michigan|St. Clair]]  
| [[St. Clair County, Michigan|St. Clair]]  
| 10 Sep 1820
| 1820  Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ST. CLAIR Details]
| Wayne  
| Wayne  
| Huron 1840, Sanilac 1848
| Huron 1840, Sanilac 1848
|-
|-
| [[St. Joseph County, Michigan|St. Joseph]]  
| [[St. Joseph County, Michigan|St. Joseph]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ST. JOSEPH Details]
| Wayne  
| Wayne  
| Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
| Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
|-
|-
| [[Sanilac County, Michigan|Sanilac]]  
| [[Sanilac County, Michigan|Sanilac]]  
| 10 Sep 1822
| 1822  Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SANILAC Details]
| Oakland, St. Clair, Lapeer  
| Oakland, St. Clair, Lapeer  
| Huron 1840, Tuscola 1850
| Huron 1840, Tuscola 1850
|-
|-
| [[Schoolcraft County, Michigan|Schoolcraft]]  
| [[Schoolcraft County, Michigan|Schoolcraft]]  
| 09 Mar 1843
| 1843  Mar 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SCHOOLCRAFT Details]
| Chippewa, Houghton  
| Chippewa, Houghton  
| Alger 1855, Delta 1861, Marquette 1851
| Alger 1855, Delta 1861, Marquette 1851
|-
|-
| [[Shawano County, Wisconsin|Shawano]]  
| [[Shawano County, Wisconsin|Shawano]]  
| 26 Oct 1818
| 1818  Oct 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SHAWANO Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Shiawassee County, Michigan|Shiawassee]]  
| [[Shiawassee County, Michigan|Shiawassee]]  
| 10 Sep 1822
| 1822  Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SHIAWASSEE Details]
| Oakland, Genesee  
| Oakland, Genesee  
| Clitnon 1839, Livingston 1836
| Clitnon 1839, Livingston 1836
|-
|-
| Tonedagana  
| Tonedagana  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Emmet 1843
| renamed Emmet 1843
|-
|-
| [[Tuscola County, Michigan|Tuscola]]  
| [[Tuscola County, Michigan|Tuscola]]  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#TUSCOLA Details]
| Sanilac  
| Sanilac  
| none
| none
|-
|-
| Unwattin  
| Unwattin  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Osceola 1843
| renamed Osceola 1843
|-
|-
| [[Van Buren County, Michigan|Van Buren]]  
| [[Van Buren County, Michigan|Van Buren]]  
| 29 Oct 1829
| 1829  Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#VAN BUREN Details]
| Cass  
| Cass  
| none
| none
|-
|-
| Wabasee  
| Wabasee  
| 01 Apr 1840
| 1840  Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Kalkaska 1843
| renamed Kalkaska 1843
|-
|-
| [[Washtenaw County, Michigan|Washtenaw]]  
| [[Washtenaw County, Michigan|Washtenaw]]  
| 20 Nov 1822
| 1822  Nov 20  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WASHTENAW Details]
| Wayne  
| Wayne  
| Livingston 1836, Ingahm 1829, Jackson 1832
| Livingston 1836, Ingahm 1829, Jackson 1832
|-
|-
| [[Wayne County, Michigan|Wayne]]  
| [[Wayne County, Michigan|Wayne]]  
| 18 Aug 1796
| 1796  Aug 18  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WAYNE Details]
| Northwest Territory  
| Northwest Territory  
| Michilimackinac 1818, Macomb 1818, Monroe 1817, St. Clair 1820, St. Joseph 1820, Washtenaw 1826
| Michilimackinac 1818, Macomb 1818, Monroe 1817, St. Clair 1820, St. Joseph 1820, Washtenaw 1826
|-
|-
| [[Wexford County, Michigan|Wexford]]  
| [[Wexford County, Michigan|Wexford]]  
| 08 Mar 1843
| 1843  Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WEXFORD Details]
| renamed from Kautawaubet  
| renamed from Kautawaubet  
| none
| none

Revision as of 16:16, 9 July 2014

Note
 See an interactive outline map of Michigan Historical Counties at Newberry Library site[1] (Free) Enter a year, Refresh Map, select zoom in, then click on the map to enlarge it.


Tip
 Sort the table by Date Formed or by Parent Counties and check Boundary Changes for interesting insights.
Name of County Date Formed Boundary
Changes 		Parent County Counties Created by Boundary Changes
Aishcum 1840 Apr 01 Details Oceana renamed Lake 1843
Alcona 1843 Mar 08 Details renamed from Neewago Oscoda
Alger 1885 Mar 17 Details Schoolcraft none
Allegan 1831 Mar 02 Details Kalamazoo none
Alpena 1843 Mar 08 Details renamed from Anamickee Alcona 1869, Oscoda 1840, Otsego 1840
Anamickee 1840 Apr 01 Details Michigan Territory renamed Alpena 1843
Antrim 1843 Mar 08 Details renamed from Meegisee none
Arenac 1831 Mar 02 Details Bay, Saginaw none
Baraga 1875 Feb 19 Details Houghton none
Barry 1829 Oct 29 Details St. Joseph, Kalamazoo none
Bay 1857 Feb 17 Details Saginaw, Midland Arenac 1831
Benzie 1863 Feb 27 Details Grand Traverse, Leelanau none
Berrien 1829 Oct 29 Details Cass none
Bleeker 1861 1 18 Details Marquette renamed Menominee 1863
Branch 1829 Oct 29 Details Michigan Territory none
Brown 1818 Oct 26 Details Michigan Territory now in State of Wisconsin
Calhoun 1829 Oct 29 Details St. Joseph, Kalamazoo Eaton 1829
Cass 1829 Oct 29 Details Lenawee Berrien 1829, Van Buren 1837
Charlevoix 1843 Mar 08 Details renamed from Reshkaiko none
Cheboygan 1840 Apr 01 Details Mackinac Alcona 1859, Alpena 1857, Forrest 1913, Iosco 1857, Ogemaw 1875, Oscoda 1840, Otsego 1840
Cheonoquet 1840 Apr 01 Details Michigan Territory renamed Montmorency 1843
Chippewa 1826 Dec 26 Details Mackinac Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848
Clare 1843 Mar 08 Details renamed from Kaykakee none
Clinton 1831 Mar 02 Details Shiawassee, Kent Gratiot 1855
Crawford (old) 1818 Oct 26 Details Michigan Territory now in State of Wisconsin
Crawford 1840 Apr 01 Details Michigan Territory
 none
Delta 1843 Mar 09 Details Schoolcraft none
Demoine 1833 Jun 01 Details Michigan Territory now in State of Iowa
Dickinson 1851 Jan 15 Details Kossuth Emmet 1851
Dubuque (old) 1834 Sep 06 Details Michigan Territory now in State of Iowa
Eaton 1829 Oct 29 Details St. Joseph, Calhoun, Kalamazoo Ingham 1829
Emmet 1843 Mar 08 Details renamed from Tonedagana Charlevoix 1869
Genesee 1836 Mar 08 Details Oakland none
Gladwin 1831 Mar 02 Details Saginaw, Midland none
Gogebic 1881 Feb 07 Details Ontonagon none
Grand Traverse 1840 Apr 01 TRAVERSE Details Mackinac Antrim 1843, Benzie 1863, Leelanau 1863
Gratiot 1831 Mar 02 Details Saginaw, Clinton none
Hillsdale 1829 Oct 29 Details Lenawee none
Houghton 1845 Mar 09 Details Chippewa Baraga 1875, Keweenaw 1861, Ontonagon 1848, Schoolcraft 1848
Huron 1840 Apr 01 Details Saginaw, St. Clair, Sanilac none
Ingham 1829 Oct 29 Details Washtenaw, Eaton, Jackson none
Ionia 1831 Mar 02 Details Kent Montcalm 1831
Iosco 1843 Mar 08 Details renamed from Kanotin Ogemaw 1875
Iowa 1829 Oct 09 Details Michigan Territory now in State of Wisconsin
Iron 1885 Apr 03 Details Marquette, Menominee none
Isabella 1831 Mar 02 Details Saginaw, Midland Clare 1871
Isle Royal 1875 5 18 Details Keweenaw dissolved 1897, part of Keweenaw
Jackson 1829 Oct 29 Details Washtenaw none
Kalamazoo 1829 Oct 29 Details St. Joseph Allegan 1835, Barry 1829, Calhoun 1829, Eaton 1829, Kent 1836
Kalkaska 1843 Mar 08 Details renamed from Wabasee none
Kanotin 1840 Apr 01 Details Michigan Territory renamed Iosco 1843
Kautawaubet 1840 Apr 01 Details Michigan Territory renamed Wexford 1843
Kaykakee 1840 Apr 01 Details Michigan Territory renamed Clare 1843
Kent 1831 Mar 02 Details Kalamazoo Clinton 1839, Ionia 1831, Mecosta 1859, Newaygo 1840, Ottawa 1837
Keweenaw 1861 Mar 11 Details Houghton, Iowa Isle Royal (dissolved 1897)
Lake 1843 Mar 08 Details renamed from Aishcum none
Lapeer 1822 Sep 10 Details Oakland Sanilac 1848
Leelanau 1840 Apr 01 Details Grand Traverse Benzie 1863
Lenawee 1822 Sep 10 Details Indian lands Cass 1829, Hillsdale 1835
Livingston 1836 Mar 24 Details Shiawassee, Washtenaw none
Luce 1887 Mar 01 Details Chippewa, Mackinac none
Mackinac 1843 Mar 08 Details renamed from Michilimackinac Cheboygan 1840, Chippewa 1826, Emmet 1853, Grand Traverse 1840, Luce 1887, Manistee 1855, Otsego 1840
Macomb 1818 Mar 11 Details Wayne none
Manistee 1840 Apr 01 Details Mackinac, Ottawa, Oceana none
Manitou 1855 Feb 13 Details Michigan Territory dissolved 1895
Marquette 1843 Mar 09 Details Schoolcraft Dickinson 1891, Iron 1885, Menominee 1863, Washington 1867
Mason 1843 Mar 08 Details renamed from Notipekago Lake 1871, Osceola 1869
Mecosta 1840 Apr 01 Details Kent, Newaygo Clare 1871, Osceola 1869
Meegisee 1840 Apr 01 Details Michigan Territory renamed Antrim 1843
Menominee 1863 Mar 19 Details renamed from Bleeker 1861 Dickinson 1891, Iron 1885
Michilimackinac 1818 Oct 26 Details Michigan Territory renamed Mackinac 1843
Midland 1831 Mar 02 Details Saginaw Bay 1857, Clare 1871, Gladwin 1855, Isabella 1831, Ogemaw 1875
Mikensauk 1840 Apr 01 Details Michigan Territory renamed Roscommon 1843
Milwaukee 1834 Sep 06 Details Michigan Territory now in State of Wisconsin
Monroe 1817 Jul 14 Details Wayne none
Montcalm 1831 Mar 02 Details Ionia none
Montmorency 1843 Mar 08 Details renamed from Cheonoguet none
Muskegon 859 Feb 04 Details Ottawa, Newaygo none
Negwegon (old) 1840 Apr 01 Details Michigan Territory renamed Alcona 1843
Newaygo 1840 Ap 01 Details Kent, Muskegon, Oceana Lake 1871, Mecosta 1854, Osceola 1869, Muskegon 1859
Notipekago 1840 Apr 01 Details Michigan Territory renamed Mason 1843
Oakland 1819 Jan 12 Details Michigan Territory Genesee 1836, lapeer 1835, Sanilac 1848, Saginaw 1822, Shaiwassee 1822
Oceana 1831 Mar 02 Details Ottawa Lake 1871, Manistee 1855, Mason 1855, Newaygo 1840
Ogemaw 1875 Feb 27 Details Cheboygan, Midland, Iosco none
Okkado 1840 Apr 01 Details Michigan Territory renamed Otsego 1843
Ontonagon 1848 Apr 03 Details Chippewa, Houghton Gogebic 1881
Osceola 1843 Mar 08 Details renamed from Unwattin none
Oscoda 1840 Apr 01 Details Michigan Territory none
Otsego 1843 Mar 08 Details renamed from Okkado none
Ottawa 1831 Mar 02 Details Kent Manistee 1855, Mason 1855
Presque Isle 1840 Apr 01 ISLE Details Michigan Territory none
Reshkaiko 1840 Apr 01 Details Michigan Territory renamed Charlevoix 1843
Roscommon 1843 Mar 08 Details renamed from Mikenauk none
Saginaw 1822 Sep 10 Details Oakland Arenac 1883, Bay 1857, Gladwin 1855, Gratiot 1855, Huron 1840, Iosco 1857, Isabella 1831, Midland 1850
St. Clair 1820 Sep 10 CLAIR Details Wayne Huron 1840, Sanilac 1848
St. Joseph 1829 Oct 29 JOSEPH Details Wayne Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
Sanilac 1822 Sep 10 Details Oakland, St. Clair, Lapeer Huron 1840, Tuscola 1850
Schoolcraft 1843 Mar 09 Details Chippewa, Houghton Alger 1855, Delta 1861, Marquette 1851
Shawano 1818 Oct 26 Details Michigan Territory now in State of Wisconsin
Shiawassee 1822 Sep 10 Details Oakland, Genesee Clitnon 1839, Livingston 1836
Tonedagana 1840 Apr 01 Details Michigan Territory renamed Emmet 1843
Tuscola 1840 Apr 01 Details Sanilac none
Unwattin 1840 Apr 01 Details Michigan Territory renamed Osceola 1843
Van Buren 1829 Oct 29 BUREN Details Cass none
Wabasee 1840 Apr 01 Details Michigan Territory renamed Kalkaska 1843
Washtenaw 1822 Nov 20 Details Wayne Livingston 1836, Ingahm 1829, Jackson 1832
Wayne 1796 Aug 18 Details Northwest Territory Michilimackinac 1818, Macomb 1818, Monroe 1817, St. Clair 1820, St. Joseph 1820, Washtenaw 1826
Wexford 1843 Mar 08 Details renamed from Kautawaubet none
  1. ↑ [http://historical-county.newberry.org/website/Michigan/viewer.htm Michigan Atlas of Historical County Boundaries, John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant. Copyright The Newberry Library 2008.
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