Vermont County Creation Dates and Parent Counties
| See an interactive outline map of Vermont Historical Counties at Newberry Library site.[1] Select a year and the map will display the historical county boundaries. Click on map image for county details. |
| 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 |
| Addison | 1785 Oct 18 | Details | Rutland, Orange | Chittenden 1787 |
| Bennington | 1779 Feb 11 | Details | Colonial lands | Windham 1781 |
| Caledonia | 1792 Nov 05 | Details | Orange | none |
| Chittenden | 1787 Oct 22 | Details | Addison | Franklin 1792, Lamoille 1835, Washington 1810, Jefferson 1810 |
| Cumberland | 1766 6 17 | Details | Albany, Gloucester (New York) | divided to Bennington, Orange, Windham, Windsor |
| Essex | 1792 Nov 05 | Details | Orange | none |
| Franklin | 1792 Nov 05 | Details | Chittenden | Grand Isle 1802 |
| Grand Isle | 1802 Nov 09 | Details | Franklin, Chittenden | none |
| Jefferson | 1810 Nov 01 | Details | Caledonia, Chittenden, Orange | renamed Washington 1814 |
| Lamoille | 1835 Oct 26 | Details | Chittenden, Franklin, Orleans, Washington | none |
| Orange | 1781 Feb 22 | Details | Cumberland | Addison 1785, Caledonia 1792, Essex 1792, Jefferson 1810, Lamoille 1835, Orleans 1792, Washington 1810 |
| Orleans | 1792 Nov 05 | Details | Orange | none |
| Rutland | 1781 Feb 22 | Details | Bennington | Addison 1785 |
| Washington | 1814 Nov 08 | Details | renamed from Jefferson | none |
| Windham | 1781 Feb 22 | Details | Cumberland | none |
| Windsor | 1781 Feb 22 | Details | Cumberland | none |
Clickable Map Click on the county on the map below to go to a county page.

References
- ↑ Vermont 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.