Median Age in Marshall County, IL
ACS 2024 5-Year Estimates
How Marshall County Compares
National Distribution
Where Marshall County falls among all 3,222 U.S. counties for median age.
■ Marshall County: 46.1 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #570 | Monroe County, WV | 46.2 years |
| #571 | El Dorado County, CA | 46.1 years |
| #572 | Montrose County, CO | 46.1 years |
| #573 | Marshall County, IL | 46.1 years |
| #574 | Morton County, KS | 46.1 years |
| #575 | Pawnee County, KS | 46.1 years |
| #576 | Franklin County, ME | 46.1 years |
Median Age in Marshall County, Illinois
Marshall County, Illinois has a median age of 46.1 years, which ranks #573 of 3,222 out of 3,222 counties nationwide. This is 18.5% above the national value of 38.9 years.
Within Illinois, Marshall County ranks #12 of 102 out of 102 counties. This places it in the 82th 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.