Rock County

Rock county is located in south Wisconsin. Rock county has 718.14 square miles of land area and 7.96 square miles of water area. As of 2010, the total Rock county population is 160,331, which has grown 5.27% since 2000. The population growth rate is lower than the state average rate of 6.03% and is lower than the national average rate of 9.71%. Rock county median household income is $49,716 in 2006-2010 and has grown by 9.23% since 2000. The income growth rate is lower than the state average rate of 11.90% and is much lower than the national average rate of 19.17%. Rock county median house value is $138,000 in 2006-2010 and has grown by 40.53% since 2000. The house value growth rate is lower than the state average rate of 50.98% and is lower than the national average rate of 50.42%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Rock county is worse than the state average in quality. The Rock county area codes are 262, 608.

Population 160,331 (2010), rank #9 Population Growth 5.27% since 2000, rank #30 Population Density: 220.81/sq mi, rank #10 Median Household Income: $49,716 at 2006-2010—9.23% increase since 2000, rank #26 Median House Price: $138,000 at 2006-2010—40.53% increase since 2000, rank #41 Time Zone: Central GMT -6:00 with Daylight Saving in the Summer Land Area: 718.14 sq mi, rank #41 Water Area: 7.96 sq mi (1.10%), rank #63 State: Wisconsin Area: Janesville, WI School District: Area Code: 262, 608

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Rock County Map, Border, and Nearby Locations

Rock County Cities / Towns

Rock County Zip Codes

Rock County Census Tracts