Union County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
16,972
Male
8,631
50.9%
Female
8,341
49.1%
Median Age
44.3 yrs
Avg Household Size
2.3
Foreign Born
2.9%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher15.0%
High School or Higher40.1%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.6%
Disability
0.0%
Non-English Home
9.3%
Married
41.7%
Union County, IL has a population of 16,972 according to 2023 Census Bureau estimates. The median age is 44.3 years. The largest racial or ethnic group is White at 90.5% of the population. 15.0% of residents hold a bachelor's degree or higher. 2.9% of residents are foreign-born.