Rock County, Wisconsin
Rock County is a county in the U.S. state of Wisconsin. As of the 2010 census, the population was 160,331.[1] Its county seat is Janesville.[2]
Rock County | |
---|---|
![]() Rock County Courthouse | |
![]() Location within the U.S. state of Wisconsin | |
![]() Wisconsin's location within the U.S. | |
Coordinates: 42°40′N 89°04′W | |
Country | ![]() |
State | ![]() |
Founded | 1839 |
Named for | Rock River |
Seat | Janesville |
Largest city | Janesville |
Area | |
• Total | 726 sq mi (1,880 km2) |
• Land | 718 sq mi (1,860 km2) |
• Water | 8.0 sq mi (21 km2) 1.1%% |
Population (2010) | |
• Total | 160,331 |
• Estimate (2018) | 163,129 |
• Density | 220/sq mi (85/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional districts | 1st, 2nd |
Website | www |
References
- "State & County QuickFacts". United States Census Bureau. Archived from the original on July 17, 2011. Retrieved January 23, 2014.
- "Find a County". National Association of Counties. Retrieved June 7, 2011.
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