Total Population in Rock County, WI
ACS 2024 5-Year Estimates
164,350
Rank #420/3,222 · #9 in WI
87th
Rock 164,350
WI 5,914,872 -97.2%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Rock County's total population of 164,350 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Rock County for total population.
Nearby Rankings
Full ranking →| #417 | Ector County, TX | 164,654 |
| #418 | Maui County, HI | 164,522 |
| #419 | Olmsted County, MN | 164,498 |
| #420 | Rock County, WI | 164,350 |
| #421 | Catawba County, NC | 163,573 |
| #422 | Stafford County, VA | 163,466 |
| #423 | Fairfield County, OH | 163,453 |
About Total Population
Rock County, Wisconsin has a total population of 164,350, ranking #420 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Wisconsin, it ranks #9 of 72. This places it in the 87th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.