Total Population in Knox County, IL
ACS 2024 5-Year Estimates
How Knox County Compares
National Distribution
Where Knox County falls among all 3,222 U.S. counties for total population.
■ Knox County: 49,046
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,023 | Duplin County, NC | 49,335 |
| #1,024 | Shelby County, KY | 49,096 |
| #1,025 | Le Flore County, OK | 49,053 |
| #1,026 | Knox County, IL | 49,046 |
| #1,027 | Henry County, IN | 48,970 |
| #1,028 | Santa Cruz County, AZ | 48,926 |
| #1,029 | Edgecombe County, NC | 48,736 |
Total Population in Knox County, Illinois
Knox County, Illinois has a total population of 49,046, which ranks #1,026 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Illinois, Knox County ranks #29 of 102 out of 102 counties. This places it in the 68th 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.