Total Population in Warren County, IL
ACS 2024 5-Year Estimates
16,447
Rank #2,075/3,222 · #65 in IL
36th
Warren 16,447
IL 13M -99.9%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Warren County's total population of 16,447 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 Warren County for total population.
Nearby Rankings
Full ranking →| #2,072 | Scurry County, TX | 16,488 |
| #2,073 | Taylor County, WV | 16,487 |
| #2,074 | Clay County, IA | 16,461 |
| #2,075 | Warren County, IL | 16,447 |
| #2,076 | Parke County, IN | 16,406 |
| #2,077 | Kanabec County, MN | 16,390 |
| #2,078 | Brooks County, GA | 16,293 |
About Total Population
Warren County, Illinois has a total population of 16,447, ranking #2,075 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Illinois, it ranks #65 of 102. This places it in the 36th 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.