Total Population in Jefferson County, IL
ACS 2024 5-Year Estimates
How Jefferson County Compares
National Distribution
Where Jefferson County falls among all 3,222 U.S. counties for total population.
■ Jefferson County: 36,550
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,301 | Wasatch County, UT | 36,642 |
| #1,302 | Graves County, KY | 36,630 |
| #1,303 | Escambia County, AL | 36,629 |
| #1,304 | Jefferson County, IL | 36,550 |
| #1,305 | Carlton County, MN | 36,518 |
| #1,306 | Dyer County, TN | 36,508 |
| #1,307 | Alexander County, NC | 36,412 |
Total Population in Jefferson County, Illinois
Jefferson County, Illinois has a total population of 36,550, which ranks #1,304 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Illinois, Jefferson County ranks #38 of 102 out of 102 counties. This places it in the 60th 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.