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Rock County comprises the Janesville-Beloit, WI Metropolitan Statistical Area and is included in the Madison-Janesville-Beloit, WI Combined Statistical Area. History [ edit ] Rock County was created as a territorial county on December 7, 1836, from Milwaukee County and fully organized February 19, 1839. [3]
Jun 25, 2024 · Find information and services for Rock County residents and visitors. Learn about parks, health, speed test, plat book, community assessment and more.
Rock County Emergency Management Resources: Rock County Public Health - Flood and Tornado Resources
Rock County is a county in Southwest Wisconsin. It is the ninth largest county in terms of population and is known primarily for the cities of Janesville and Beloit . Cities
Rock County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 163,687. Its county seat is Janesville. References