Rock County, Wisconsin

WI · FIPS 55105 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
164,350
Rank #420 of 3,222
87th %ile
Median Household Income
$75,673 +0.7% vs nat'l
Rank #797 of 3,222
75th %ile
Poverty Rate
9.3% −26.5% vs nat'l
Rank #634 of 3,222
80th %ile
Median Home Value
$231,600 −17.8% vs nat'l
Rank #1,068 of 3,222
67th %ile
Bachelor's Degree or Higher
25.8% −23.4% vs nat'l
Rank #1,137 of 3,222
65th %ile
Unemployment Rate
3.8% −29.1% vs nat'l
Rank #1,168 of 3,222
64th %ile

At a Glance

71.2% Homeownership
94.5% Insured
25.8% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%5%0%5%10%

Race & Ethnicity

White (non-Hispanic)Hispanic or LatinoBlack (non-Hispanic)Two or More RacesAsian (non-Hispanic)Other (non-Hispanic)American Indian (non-Hispanic)Native Hawaiian/Pacific Islander0.0%12.2%24.3%36.5%48.7%60.8%73.0%79.6%10.1%4.6%4.2%1.1%0.3%0.0%0.0%

About Rock County, Wisconsin

Rock County, Wisconsin has a total population of 164,350, making it the 420th most populous county in the United States. The median age in Rock County is 40.3 years, which is 3.6% above the national median of 38.9 years.

The median household income in Rock County is $75,673, which ranks #797 of 3,222 counties nationwide. This is 0.7% above the national median of $75,149. The poverty rate is 9.3%, lower than the national rate of 12.6%. The unemployment rate stands at 3.8%.

The median home value in Rock County is $231,600, 17.8% below the national median. Renters in Rock County pay a median gross rent of $1,037 per month. The homeownership rate is 71.2%, compared to the national rate of 64.4%.

In Rock County, 25.8% of residents aged 25 and older hold a bachelor's degree or higher, 23.4% below the national average of 33.7%. Health insurance coverage stands at 94.5% of the population. The average commute time for workers is 25.9 min.

Rock County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 79.6% of the population, followed by Hispanic or Latino (10.1%) and Black (non-Hispanic) (4.6%).

All data for Rock County, Wisconsin comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.