Median Age in Winnebago County, IL
ACS 2024 5-Year Estimates
How Winnebago County Compares
National Distribution
Where Winnebago County falls among all 3,222 U.S. counties for median age.
■ Winnebago County: 39.6 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,224 | Union County, FL | 39.6 years |
| #2,225 | Appling County, GA | 39.6 years |
| #2,226 | Teton County, ID | 39.6 years |
| #2,227 | Winnebago County, IL | 39.6 years |
| #2,228 | Muscatine County, IA | 39.6 years |
| #2,229 | Gallatin County, KY | 39.6 years |
| #2,230 | Gratiot County, MI | 39.6 years |
Median Age in Winnebago County, Illinois
Winnebago County, Illinois has a median age of 39.6 years, which ranks #2,227 of 3,222 out of 3,222 counties nationwide. This is 1.8% above the national value of 38.9 years.
Within Illinois, Winnebago County ranks #85 of 102 out of 102 counties. This places it in the 31th 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.