Median Age in Clark County, IL
ACS 2024 5-Year Estimates
How Clark County Compares
National Distribution
Where Clark County falls among all 3,222 U.S. counties for median age.
■ Clark County: 42.6 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,311 | Little River County, AR | 42.6 years |
| #1,312 | Sedgwick County, CO | 42.6 years |
| #1,313 | Dodge County, GA | 42.6 years |
| #1,314 | Clark County, IL | 42.6 years |
| #1,315 | Crawford County, IL | 42.6 years |
| #1,316 | Knox County, IL | 42.6 years |
| #1,317 | Pulaski County, IN | 42.6 years |
Median Age in Clark County, Illinois
Clark County, Illinois has a median age of 42.6 years, which ranks #1,314 of 3,222 out of 3,222 counties nationwide. This is 9.5% above the national value of 38.9 years.
Within Illinois, Clark County ranks #50 of 102 out of 102 counties. This places it in the 59th 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.