Union County Population 2018

Union County's estimated population is 17,000 with a growth rate of -0.67% in the past year according to the most recent United States census data. Union County is the 63rd largest county in Illinois.

Year Population Growth Growth Rate
201717,000-115-0.67%
201617,115-168-0.97%
201517,283-115-0.66%
201417,398-141-0.80%
201317,539-70-0.40%
201217,609-82-0.46%
201117,691-42-0.24%
201017,7331140.65%
199017,619-146-0.82%
198017,7651,69410.54%
197016,071-1,574-8.92%
196017,645-2,855-13.93%
195020,500-1,028-4.78%
194021,5281,6458.27%
193019,883-366-1.81%
192020,249-1,607-7.35%
191021,856-754-3.33%
190022,6101,0614.92%
189021,5493,44719.04%
188018,1021,5849.59%
187016,5185,33747.73%
186011,1813,56646.83%
18507,6152,09137.85%
18405,5242,28570.55%
18303,23987737.13%
18202,3620.00%

Union County Population Growth

Population Data via

Union County Race Data

Race Population Percentage
White16,72698.39%
Two or More Races2811.65%
Black or African American1981.16%
American Indian and Alaska Native1050.62%
Asian820.48%
Native Hawaiian and Other Pacific Islander70.04%

Union County Population Pyramid

0k0k0k0k0k1k1k1k Male Population0k0k0k0k0k1k1k1k 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