In 2023, Union County, IL had a population of 17k people with a median age of 44.3 and a median household income of $56,420. Between 2022 and 2023 the population of Union County, IL declined from 17,122 to 16,972, a −0.876% decrease and its median household income grew from $54,090 to $56,420, a 4.31% increase.
The 5 largest ethnic groups in Union County, IL are White (Non-Hispanic) (90.1%), Two+ (Hispanic) (4.3%), Two+ (Non-Hispanic) (3.28%), Black or African American (Non-Hispanic) (0.778%), and Asian (Non-Hispanic) (0.442%).
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.
98.7% of the residents in Union County, IL are U.S. citizens.
In 2023, the median property value in Union County, IL was $131,700, and the homeownership rate was 76.8%.
Most people in Union County, IL drove alone to work, and the average commute time was 25.9 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.