Rock County, Wisconsin

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Rock County
Rock County Courthouse
Rock County Courthouse
Map of Wisconsin highlighting Rock County
Location within the U.S. state of Wisconsin
Map of the United States highlighting Wisconsin
Wisconsin's location within the U.S.
Coordinates: 42°40′N 89°04′W / 42.67°N 89.07°W / 42.67; -89.07
Country United States
State Wisconsin
Named forRock River
Largest cityJanesville
 • Total726 sq mi (1,880 km2)
 • Land718 sq mi (1,860 km2)
 • Water8.0 sq mi (21 km2)  1.1%%
 • Total160,331
 • Estimate 
 • Density220/sq mi (85/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districts1st, 2nd

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]

References[change | change source]

  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on July 17, 2011. Retrieved January 23, 2014.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.