Total Population in Clinton County, IL
ACS 2024 5-Year Estimates
36,954
Rank #1,286/3,222 · #37 in IL
60th
Clinton 36,954
IL 13M -99.7%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Clinton County's total population of 36,954 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Clinton County for total population.
Nearby Rankings
Full ranking →| #1,283 | Green County, WI | 37,017 |
| #1,284 | Marion County, IL | 37,000 |
| #1,285 | Essex County, NY | 36,973 |
| #1,286 | Clinton County, IL | 36,954 |
| #1,287 | Whitley County, KY | 36,920 |
| #1,288 | Okmulgee County, OK | 36,899 |
| #1,289 | Webster County, IA | 36,886 |
About Total Population
Clinton County, Illinois has a total population of 36,954, ranking #1,286 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Illinois, it ranks #37 of 102. This places it in the 60th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.