Median Age in St. Clair County, MI
ACS 2024 5-Year Estimates
How St. Clair County Compares
National Distribution
Where St. Clair County falls among all 3,222 U.S. counties for median age.
■ St. Clair County: 44.5 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #822 | Carroll County, AR | 44.5 years |
| #823 | Montezuma County, CO | 44.5 years |
| #824 | Ringgold County, IA | 44.5 years |
| #825 | St. Clair County, MI | 44.5 years |
| #826 | Douglas County, MN | 44.5 years |
| #827 | Jackson County, MN | 44.5 years |
| #828 | Benton County, MS | 44.5 years |
Median Age in St. Clair County, Michigan
St. Clair County, Michigan has a median age of 44.5 years, which ranks #825 of 3,222 out of 3,222 counties nationwide. This is 14.4% above the national value of 38.9 years.
Within Michigan, St. Clair County ranks #39 of 83 out of 83 counties. This places it in the 74th percentile nationally.
The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
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.