Warren County Population 2018

Warren County's estimated population is 17,167 with a growth rate of -0.81% in the past year according to the most recent United States census data. Warren County is the 62nd largest county in Illinois.

Year Population Growth Growth Rate
201717,167-140-0.81%
201617,307-63-0.36%
201517,370-286-1.62%
201417,656130.07%
201317,643-96-0.54%
201217,739-94-0.53%
201117,8331140.64%
201017,719-1,462-7.62%
199019,181-2,762-12.59%
198021,9433481.61%
197021,59580.04%
196021,587-394-1.79%
195021,9816953.27%
194021,286-459-2.11%
193021,7452571.20%
192021,488-1,825-7.83%
191023,3131500.65%
190023,1631,8828.84%
189021,281-1,652-7.20%
188022,933-241-1.04%
187023,1744,83826.39%
186018,33610,160124.27%
18508,1761,43721.32%
18406,7396,4312087.99%
18303080.00%

Warren County Population Growth

Population Data via

Warren County Race Data

Race Population Percentage
White16,24694.64%
Black or African American4832.81%
Asian3852.24%
Two or More Races2831.65%
American Indian and Alaska Native840.49%
Native Hawaiian and Other Pacific Islander260.15%

Warren County Population Pyramid

0k0k0k1k1k Male Population0k0k0k1k1k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990