In 2017, Union County, IL had a population of 17.3k people with a median age of 43.5 and a median household income of $46,716. Between 2016 and 2017 the population of Union County, IL declined from 17,458 to 17,267, a -1.09% decrease and its median household income grew from $45,464 to $46,716, a 2.75% increase.
The population of Union County, IL is 91.4% White Alone, 4.98% Hispanic or Latino, and 2.22% Two or More Races. 5.95% of the people in Union County, IL speak a non-English language, and 98.3% are U.S. citizens.
The median property value in Union County, IL is $98,600, and the homeownership rate is 80.2%. Most people in Union County, IL commute by Drove Alone, and the average commute time is 23.3 minutes. The average car ownership in Union County, IL is 2 cars per household.