Rock County is a county in the U.S. state of Wisconsin. It is included in the Janesville, Wisconsin, Metropolitan Statistical Area. As of 2000, the population was 152,307. Its county seat is Janesville.
According to the U.S. Census Bureau, the county has a total area of 726 square miles (1,881 km²), of which, 720 square miles (1,866 km²) of it is land and 6 square miles (15 km²) of it (0.79%) is water.
As of the census of 2000, there were 152,307...
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Rock County is a county in the U.S. state of Wisconsin. It is included in the Janesville, Wisconsin, Metropolitan Statistical Area. As of 2000, the population was 152,307. Its county seat is Janesville.
According to the U.S. Census Bureau, the county has a total area of 726 square miles (1,881 km²), of which, 720 square miles (1,866 km²) of it is land and 6 square miles (15 km²) of it (0.79%) is water.
As of the census of 2000, there were 152,307 people, 58,617 households, and 40,387 families residing in the county. The population density was 211 people per square mile (82/km²). There were 62,187 housing units at an average density of 86 per square mile (33/km²). The racial makeup of the county was 91.01% White, 4.63% Black or African American, 0.28% Native American, 0.78% Asian, 0.04% Pacific Islander, 1.77% from other races, and 1.50% from two or more races. 3.91% of the population were Hispanic or Latino of any race. 32.8% were of German, 13.0% Norwegian, 10.1% Irish, 7.5% English...
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