Total Population in Union County, IL
ACS 2024 5-Year Estimates
How Union County Compares
National Distribution
Where Union County falls among all 3,222 U.S. counties for total population.
■ Union County: 16,997
Ranking Context
| Rank | County | Value |
|---|---|---|
| #2,033 | Dixie County, FL | 17,058 |
| #2,034 | Drew County, AR | 17,046 |
| #2,035 | Clayton County, IA | 17,013 |
| #2,036 | Union County, IL | 16,997 |
| #2,037 | Pitkin County, CO | 16,985 |
| #2,038 | Buckingham County, VA | 16,976 |
| #2,039 | Mason County, KY | 16,956 |
Total Population in Union County, Illinois
Union County, Illinois has a total population of 16,997, which ranks #2,036 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.
Within Illinois, Union County ranks #61 of 102 out of 102 counties. This places it in the 37th 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.