Rock County Map
The County of Rock is located in the State of Wisconsin. According to the 2020 US Census the Rock County population is estimated at 163,084 people. The Rock County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby counties include Boone County, Winnebago County, Dane County, Green County, Jefferson County, Walworth County.
Top cities include Johnstown, Edgerton, Evansville, Milton, Fulton