Median Age in McDonough County, IL
ACS 2024 5-Year Estimates
How McDonough County Compares
National Distribution
Where McDonough County falls among all 3,222 U.S. counties for median age.
■ McDonough County: 34.9 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,974 | Randolph County, GA | 34.9 years |
| #2,975 | Canyon County, ID | 34.9 years |
| #2,976 | Minidoka County, ID | 34.9 years |
| #2,977 | McDonough County, IL | 34.9 years |
| #2,978 | Titus County, TX | 34.9 years |
| #2,979 | Adams County, CO | 34.8 years |
| #2,980 | Rockland County, NY | 34.8 years |
Median Age in McDonough County, Illinois
McDonough County, Illinois has a median age of 34.9 years, which ranks #2,977 of 3,222 out of 3,222 counties nationwide. This is 10.3% below the national value of 38.9 years.
Within Illinois, McDonough County ranks #98 of 102 out of 102 counties. This places it in the 8th 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.