Median Age in Jo Daviess County, IL
ACS 2024 5-Year Estimates
How Jo Daviess County Compares
National Distribution
Where Jo Daviess County falls among all 3,222 U.S. counties for median age.
■ Jo Daviess County: 51.5 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #151 | Petroleum County, MT | 51.6 years |
| #152 | Transylvania County, NC | 51.6 years |
| #153 | Pickett County, TN | 51.6 years |
| #154 | Jo Daviess County, IL | 51.5 years |
| #155 | Piscataquis County, ME | 51.5 years |
| #156 | Banner County, NE | 51.5 years |
| #157 | Griggs County, ND | 51.5 years |
Median Age in Jo Daviess County, Illinois
Jo Daviess County, Illinois has a median age of 51.5 years, which ranks #154 of 3,222 out of 3,222 counties nationwide. This is 32.4% above the national value of 38.9 years.
Within Illinois, Jo Daviess County ranks #3 of 102 out of 102 counties. This places it in the 95th 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.