Total Population in Warren County, IL

ACS 2024 5-Year Estimates

Total Population
16,447
Rank #2,075 of 3,222
36th percentile

How Warren County Compares

Warren County
16,447
Illinois Average
16,447
Rank #65 of 102 in state
National
330M
100.0% below

National Distribution

Where Warren County falls among all 3,222 U.S. counties for total population.

33 9,808,667

■ Warren County: 16,447

Ranking Context

Rank County Value
#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
View full ranking →

Total Population in Warren County, Illinois

Warren County, Illinois has a total population of 16,447, which ranks #2,075 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.

Within Illinois, Warren County ranks #65 of 102 out of 102 counties. This places it in the 36th 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.