Median Age in Rock County, MN
ACS 2024 5-Year Estimates
41.2 years
Rank #1,747/3,222 · #50 in MN
46th
Rock 41.2 years
MN 38.8 years +6.2%
US 38.9 years +5.9%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Rock County's median age of 41.2 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Rock County for median age.
Nearby Rankings
Full ranking →| #1,744 | Saginaw County, MI | 41.2 years |
| #1,745 | Van Buren County, MI | 41.2 years |
| #1,746 | Mille Lacs County, MN | 41.2 years |
| #1,747 | Rock County, MN | 41.2 years |
| #1,748 | St. Louis County, MN | 41.2 years |
| #1,749 | Quitman County, MS | 41.2 years |
| #1,750 | Perkins County, NE | 41.2 years |
About Median Age
Rock County, Minnesota has a median age of 41.2 years, ranking #1,747 of 3,222 counties nationwide — 5.9% above the national value of 38.9 years. Within Minnesota, it ranks #50 of 87. This places it in the 46th percentile nationally.
The median age of the total population. 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.