Rock County, WI Map
Official Census boundary of Rock County, Wisconsin (FIPS 55105). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Rock County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
164,350
Households
67,201
Median household income
$75,673
Median age
40.3 years
Median home value
$231,600
Median gross rent
$1,037/mo
Owner-occupied homes
71.2%
Bachelor's degree or higher
25.8%
Below poverty level
9.3%
Land area
718.2 sq mi
Population density
229 / sq mi