The largest county in Vermont
There are two right answers. By land area it is Windsor County; by population it is Chittenden County. Which one you want depends on what you meant by largest.
Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025. Retrieved 30 August 2026.
By land area
| Rank | Name | Land area | Population |
|---|---|---|---|
| 1 | Windsor County | 969.1 sq mi | 57,312 |
| 2 | Rutland County | 930.6 sq mi | 59,653 |
| 3 | Windham County | 786 sq mi | 45,204 |
| 4 | Addison County | 766.3 sq mi | 38,048 |
| 5 | Orleans County | 694.6 sq mi | 27,600 |
| 6 | Washington County | 687.1 sq mi | 59,652 |
| 7 | Orange County | 687 sq mi | 30,002 |
| 8 | Bennington County | 674.2 sq mi | 36,630 |
| 9 | Essex County | 662.4 sq mi | 6,051 |
| 10 | Caledonia County | 649.2 sq mi | 30,414 |
By population
| Rank | Name | Population | Density |
|---|---|---|---|
| 1 | Chittenden County | 169,115 | 315 per sq mi |
| 2 | Rutland County | 59,653 | 64.1 per sq mi |
| 3 | Washington County | 59,652 | 86.8 per sq mi |
| 4 | Windsor County | 57,312 | 59.1 per sq mi |
| 5 | Franklin County | 51,177 | 81.1 per sq mi |
| 6 | Windham County | 45,204 | 57.5 per sq mi |
| 7 | Addison County | 38,048 | 49.6 per sq mi |
| 8 | Bennington County | 36,630 | 54.3 per sq mi |
| 9 | Caledonia County | 30,414 | 46.8 per sq mi |
| 10 | Orange County | 30,002 | 43.7 per sq mi |
And the smallest
More on Vermont
Rebuilt from source data 30 August 2026. How these figures are produced.