Rock County is the name of three counties in the United States:
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Rock County, Minnesota
Rock County is a county at the southwestern corner of the U.S. state of Minnesota. As of the 2020 census, the population was 9,704. Its county seat is Luverne.
History
The county was formed on May 23, 1857, by act of the territorial legislatu ...
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Rock County, Nebraska
Rock County is a county in the U.S. state of Nebraska. As of the 2010 United States Census, the population was 1,526. Its county seat is Bassett.
In the Nebraska license plate system, Rock County is represented by the prefix 81 (it had the 81s ...
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Rock County, Wisconsin
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. Rock County comprises the Janesville- Beloit, WI Metropolitan Statistical Area and is included in the M ...
{{Geodis, uscounty