In 2020, Union County, IL had a population of 16.8k people with a median age of 43.8 and a median household income of $51,655. Between 2019 and 2020 the population of Union County, IL declined from 16,968 to 16,829, a −0.819% decrease and its median household income grew from $50,625 to $51,655, a 2.03% increase.
The 5 largest ethnic groups in Union County, IL are White (Non-Hispanic) (90.9%), White (Hispanic) (2.57%), Two+ (Hispanic) (2.04%), Two+ (Non-Hispanic) (1.8%), and Black or African American (Non-Hispanic) (1.31%).
None of the households in Union County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.8% of the residents in Union County, IL are U.S. citizens.
In 2020, the median property value in Union County, IL was $110,500, and the homeownership rate was 78%.
Most people in Union County, IL drove alone to work, and the average commute time was 25.7 minutes. The average car ownership in Union County, IL was 2 cars per household.
Union County, IL borders Alexander County, IL, Jackson County, IL, Johnson County, IL, Pulaski County, IL, Williamson County, IL, Cape Girardeau County, MO, and Perry County, MO.