Total Population 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 total population.
■ Clark County: 15,266
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,143 | Clarke County, MS | 15,314 |
| #2,144 | Roseau County, MN | 15,302 |
| #2,145 | Grayson County, VA | 15,287 |
| #2,146 | Clark County, IL | 15,266 |
| #2,147 | Moniteau County, MO | 15,262 |
| #2,148 | Clay County, SD | 15,219 |
| #2,149 | Clarke County, VA | 15,216 |
Total Population in Clark County, Illinois
Clark County, Illinois has a total population of 15,266, which ranks #2,146 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Illinois, Clark County ranks #71 of 102 out of 102 counties. This places it in the 33th percentile nationally.
Total population count from the American Community Survey. 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.