Name of County
|
Date Formed
|
Boundary Changes
|
Parent County
|
Counties Created by Boundary Changes
|
Aitkin
|
1857 May 23
|
Details
|
Cass, Ithaca
|
Crow Wing 1857
|
Andy Johnson
|
1863 Mar 06
|
JOHNSON Details
|
renamed from Tombs
|
renamed Wilkin 1868
|
Anoka
|
1857 May 23
|
Details
|
Ramsey
|
Isanti 1857
|
Becker
|
1858 Mar 18
|
Details
|
Indian lands
|
Mahomen 1906
|
Beltrami
|
1866 Feb 28
|
Details
|
Minnesota Territory
|
Clearwater 1902, Lake of the Woods 1922
|
Benton
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
Morrison 1856, Sherburne 1856
|
Big Stone
|
1862 Feb 20
|
Details
|
Pierce
|
Stevens 1862
|
Blue Earth
|
1853 Mar 05
|
Details
|
Minnesota Territory
|
Brown 1855, Faribault 1855
|
Breckenridge
|
1858 Mar 18
|
Details
|
Minnesota Territory
|
renamed Clay 1862
|
Brown
|
1855 Feb 20
|
Details
|
Nicollett, Blue Earth
|
Cottonwood 1857, Martin 1857, Rock 1857, Watonwan 1860, Redwood 1862
|
Buchanan
|
1855 Feb 20
|
Details
|
Minnesota Territory
|
dissolved
|
Carlton
|
1857 May 23
|
Details
|
Pine, Saint Louis
|
none
|
Carver
|
1855 Feb 20
|
Details
|
Hennepin
|
McLeod 1856
|
Cass
|
1851 Mar 31
|
Details
|
Minnesota Territory
|
Aitkin 1857, Crow Wing 1857, Hubbard 1883, Ottero Trail 1858, Waden 1858, Wilkin 1858, Tombs 1858
|
Chippewa
|
1862 Feb 20
|
Details
|
Pierce
|
Swift 1870
|
Chisago
|
1851 Mar 31
|
Details
|
Washington
|
none
|
Clay
|
1862 Mar 06
|
Details
|
renamed from Beckinridge
|
none
|
Clearwater
|
1902 Dec 20
|
Details
|
Beltrami
|
none
|
Cook
|
1874 Mar 09
|
Details
|
Lake
|
none
|
Cottonwood
|
1857 May 23
|
Details
|
Brown
|
none
|
Crow Wing
|
1857 May 23
|
WING Details
|
Cass, Aitkin
|
none
|
Dakota
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
Hennepin 1852, Scott 1853
|
Dodge
|
1855 Feb 20
|
Details
|
Olmstead
|
Steele 1855
|
Doty
|
1855 Feb 20
|
Details
|
Minnesota Territory
|
renamed Newton 1855
|
Douglas
|
1858 Mar 08
|
Details
|
Todd
|
none
|
Faribault
|
1855 Feb 20
|
Details
|
Blue Earth
|
Martin 1857
|
Fillmore
|
1853 Mar 05
|
Details
|
Wabasha
|
Houston 1854, Mower 1855
|
Freeborn
|
1855 Feb 20
|
Details
|
Minnesota Territory
|
Mower 1855
|
Goodhue
|
1853 Mar 05
|
Details
|
Wabasha
|
none
|
Grant
|
1868 Mar 06
|
Details
|
Stearns
|
none
|
Hennepin
|
1852 Mar 06
|
Details
|
Dakota
|
Carver 1855, Wright 1855
|
Houston
|
1854 Feb 23
|
Details
|
Fillmore
|
none
|
Hubbard
|
1883 Feb 26
|
Details
|
Cass
|
none
|
Isanti
|
1857 Feb 13
|
Details
|
Anoka
|
none
|
Itasca
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
Aitkin 1857, Koochiching 1906, St. Louis 1855, Superior 1855
|
Jackson
|
1857 May 23
|
Details
|
Minnesota Territory
|
Nobles 1857
|
Kanabec
|
1858 Mar 13
|
Details
|
Pine
|
Mille Lacs 1857
|
Kandiyohi
|
1858 Mar 20
|
Details
|
Meeker
|
none
|
Kittson
|
1878 Mar 09
|
Details
|
renamed from Pembina
|
Marshall 1879, Roseau 1894
|
Koochiching
|
1906 Dec 19
|
Details
|
Itasca
|
none
|
Lac qui Parle
|
1871 Mar 06
|
Details
|
Brown, Redwood
|
none
|
Lac qui Parle (old)
|
1862 2 18
|
Details
|
Toombs
|
split to Stevens 1862, Chippewa 1862
|
Lake
|
1856 Mar 01
|
Details
|
Minnesota Territory
|
Cook 1874
|
Lake of the Woods
|
1922 Nov 28
|
OF THE WOODS Details
|
Beltrami
|
none
|
Le Sueur
|
1853 Mar 05
|
Details
|
Minnesota Territory
|
none
|
Lincoln
|
1866 Mar 01
|
Details
|
Lyon
|
none
|
Lyon
|
1868 Mar 06
|
Details
|
Redwood
|
Lincoln 1866, Murray 1857
|
Mahnomen
|
1906 Dec 27
|
Details
|
Becker, Norman
|
none
|
Mankato (Mankahta)
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
none
|
Marshall
|
1879 Feb 25
|
Details
|
Kittson
|
none
|
Martin
|
1857 May 23
|
Details
|
Faribautl, Brown
|
none
|
McLeod
|
1856 Mar 01
|
Details
|
Carver
|
none
|
Meeker
|
1856 Feb 23
|
Details
|
Wright, Stearns
|
Kandiyohi 1858
|
Mille Lacs
|
1857 May 23
|
LACS Details
|
Kanabec
|
none
|
Monongalia
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
dissolved
|
Morrison
|
1856 Feb 25
|
Details
|
Benton, Stearns
|
none
|
Mower
|
1855 Feb 20
|
Details
|
Fillmore, Freeborn
|
none
|
Murray
|
1857 May 23
|
Details
|
Lyon
|
Pipestone 1857
|
Nicollet
|
1853 Mar 05
|
Details
|
Minnesota Territory
|
Brown 1855
|
Nobles
|
1857 May 23
|
Details
|
Jackson
|
Rock 1857
|
Norman
|
1881 Feb 17
|
Details
|
Polk
|
Mahnomen 1906
|
Olmsted
|
1855 Feb 20
|
Details
|
Minnesota Territory
|
Dodge 1855
|
Otter Tail
|
1858 Mar 18
|
TAIL Details
|
Pembina, Cass
|
none
|
Pembina
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
Otter trail 1858, renamed Kittson 1878
|
Pennington
|
1910 Nov 23
|
Details
|
Red Lake
|
none
|
Pierce
|
1843 Mar 05
|
Details
|
Minnesota Territory
|
split to Big Stone 1862, Chippewa 1862, Pope 1862, Stevens 1862
|
Pine
|
1856 Mar 01
|
Details
|
Minnesota Territory
|
Carlton1857, Kanabec 1858
|
Pipestone
|
1857 May 23
|
Details
|
Murray
|
none
|
Polk
|
1858 Jul 20
|
Details
|
Indian lands
|
Norman 1881, Red Lake 1869
|
Pope
|
1862 Feb 20
|
Details
|
Pierce
|
none
|
Ramsey
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
Anoka 1857
|
Red Lake
|
1896 Dec 24
|
Details
|
Polk
|
Pennington 1910
|
Redwood
|
1862 Feb 20
|
Details
|
Brown
|
Lyon 1868, Yellow Medicine 1871
|
Renville
|
1855 Feb 20
|
Details
|
Minnesota Territory
|
none
|
Rice
|
1853 Mar 05
|
Details
|
Minnesota Territory
|
none
|
Rock
|
1857 May 23
|
Details
|
Nobles, Brown
|
none
|
Roseau
|
1894 Feb 28
|
Details
|
Kittson
|
none
|
Saint Louis
|
1855 Feb 20
|
Details
|
renamed from Superior
|
Carlton 1857
|
Scott
|
1853 Mar 05
|
Details
|
Dakota
|
none
|
Sherburne
|
1856 Feb 25
|
Details
|
Benton
|
none
|
Sibley
|
1853 Mar 05
|
Details
|
Minnesota Territory
|
none
|
Stearns
|
1855 Feb 20
|
Details
|
Indian lands
|
Grant 1868, Meeker 1856, Todd 1855, Morrison 1856
|
Steele
|
1855 Feb 20
|
Details
|
Minnesota Territory, Dodge
|
Waseca 1857
|
Stevens
|
1862 Feb 20
|
Details
|
Pierce, Big Stone
|
none
|
Superior
|
1847 Oct 27
|
Details
|
Itasca
|
renamed Saint Louis 1855
|
Swift
|
1870 Feb 18
|
Details
|
Chippewa, Minnesota Territory
|
none
|
Todd
|
1855 Feb 20
|
Details
|
Stearns
|
Douglas 1858, Wadena 1858
|
Toombs
|
1858 Mar 18
|
Details
|
Pembina
|
renamed Andy Johnson 1863
|
Traverse
|
1862 Feb 20
|
Details
|
Toombs
|
none
|
Wabasha
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
Fillmore 1853, Goodhue 1853
|
Wadena
|
1858 Jun 11
|
Details
|
Cass, Todd
|
none
|
Wahnata
|
1855 Feb 20
|
Details
|
Minnesota Territory
|
dissolved
|
Waseca
|
1857 Feb 27
|
Details
|
Steele
|
none
|
Washington
|
1849 Oct 27
|
Details
|
Minnesota Territory
|
Chisago 1851
|
Watonwan
|
1860 Feb 25
|
Details
|
Brown
|
none
|
Wilkin
|
1868 Mar 06
|
Details
|
renamed from Andy Johnson
|
none
|
Winona
|
1854 Feb 23
|
Details
|
Minnesota Territory
|
none
|
Wright
|
1855 Feb 20
|
Details
|
Hennepin
|
Meeker 1856
|
Yellow Medicine
|
1871 Mar 06
|
MEDICINE Details
|
Redwood
|
none
|