Median Age in Mercer County, MO
ACS 2024 5-Year Estimates
How Mercer County Compares
National Distribution
Where Mercer County falls among all 3,222 U.S. counties for median age.
■ Mercer County: 42.4 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,373 | Lenawee County, MI | 42.4 years |
| #1,374 | Sibley County, MN | 42.4 years |
| #1,375 | Clarke County, MS | 42.4 years |
| #1,376 | Mercer County, MO | 42.4 years |
| #1,377 | Antelope County, NE | 42.4 years |
| #1,378 | Lincoln County, NE | 42.4 years |
| #1,379 | Pershing County, NV | 42.4 years |
Median Age in Mercer County, Missouri
Mercer County, Missouri has a median age of 42.4 years, which ranks #1,376 of 3,222 out of 3,222 counties nationwide. This is 9.0% above the national value of 38.9 years.
Within Missouri, Mercer County ranks #41 of 115 out of 115 counties. This places it in the 57th 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.