Rock County, Wisconsin

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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[1].

Contents

Geography

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) is land and 6 square miles (15 km²) (0.79%) is water.

History

Rock county was created in 1836 as a territorial county on December 7, 1836 from Milwaukee County and fully organized Feb. 19, 1839. The County was named for its principal river. [2]

Major highways

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