Jefferson County, Wisconsin
Jefferson County sits between Milwaukee and Madison, making it a convenient mix of rural charm and easy access to larger cities. The Rock and Crawfish Rivers wind through the countryside, while Lake Mills is known for its charming downtown and nearby outdoor recreation.
Fort Atkinson is a favorite for history enthusiasts, thanks to its reconstructed 19th-century fort that brings the area’s past to life. The Glacial Drumlin State Trail attracts cyclists, hikers, and outdoor lovers, while dairy farms across the countryside reflect Wisconsin’s long agricultural tradition.
Autumn brings pumpkin patches, corn mazes, and colorful scenery, while winter turns the landscape into a playground for ice fishing and other cold-weather activities. Lake Koshkonong is especially popular when the temperatures drop. Jefferson County offers a little of everything, from history and farming to outdoor adventures and small-town charm.
| Category | Details |
|---|---|
| County Name | Jefferson County |
| County Seat | Jefferson |
| Cities, Towns, and Communities | Jefferson, Fort Atkinson, Watertown, Lake Mills, Whitewater |
| Interstates and Highways | I-94, US-18, WI-26, WI-89 |
| Etymology | Named after Thomas Jefferson, the 3rd President of the United States |
| FIPS Code | 55-055 |
| Total Area (Land and Water) | 583 sq mi (Land: 556 sq mi; Water: 27 sq mi) |
| Time Zone | Central Time Zone (CT) |
| State | Wisconsin |
| Coordinates | 43.0066° N, 88.7788° W |
| Major Landmarks | Aztalan State Park, Glacial Drumlin State Trail, Lake Koshkonong |
| Adjacent Counties (and Direction) | Dodge County (North), Waukesha County (East), Walworth County (Southeast), Rock County (Southwest), Dane County (West) |
| Population | Approximately 86,000 |
