Rock County Map, Wisconsin

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Rock County, Wisconsin

Rock County sits on Wisconsin’s southern border with Illinois. Janesville and Beloit are the biggest cities, each with their own vibe. The Rock River flows through the county, giving plenty of spots for fishing and boating.
You’ll find a mix of industry and agriculture here. Beloit College is a private liberal arts college you can find here. The county has some cool parks, like Beckman Mill County Park with its restored gristmill.
Rock County’s been hit hard by factory closures, but it’s working on reinventing itself. There’s several museums and historic sites. The Rotary Botanical Gardens in Janesville are worth a visit. Winters can be tough, but summers are perfect for outdoor festivals and farmers markets.
Category | Details |
---|---|
County Name | Rock County |
County Seat | Janesville |
Population | Approximately 167,000 |
Cities, Towns, and Communities | Janesville, Beloit, Milton, Evansville, Edgerton |
Interstates and Highways | I-39, I-90, US-51, WI-11 |
FIPS Code | 55-105 |
Total Area (Land and Water) | 726 sq mi (Land: 718 sq mi; Water: 8 sq mi) |
Adjacent Counties (and Direction) | Green County (West), Dane County (North), Jefferson County (Northeast), Walworth County (East), Boone County, Illinois (South), Winnebago County, Illinois (South) |
Time Zone | Central Time Zone (CT) |
State | Wisconsin |
Coordinates | 42.6664° N, 89.0711° W |
Etymology | Named after Rock River, which flows through the county |
Major Landmarks | Lincoln-Tallman House, Rotary Botanical Gardens, Beloit College |
Website | Rock County Website |
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