In 2017, Clinton County, IL had a population of 37.6k people with a median age of 40.4 and a median household income of $64,543. Between 2016 and 2017 the population of Clinton County, IL declined from 37,858 to 37,640, a -0.576% decrease and its median household income grew from $63,929 to $64,543, a 0.96% increase.
The 5 largest ethnic groups in Clinton County, IL are White (Non-Hispanic) (91.6%), Black or African American (Non-Hispanic) (3.55%), White (Hispanic) (2.17%), Two or More Races (Non-Hispanic) (0.887%), and Asian (Non-Hispanic) (0.595%). N/A% of the people in Clinton County, IL speak a non-English language, and 99.2% are U.S. citizens.
The largest universities in Clinton County, IL are Kaskaskia College (992 degrees awarded in 2017).
The median property value in Clinton County, IL is $142,900, and the homeownership rate is 80.7%. Most people in Clinton County, IL commute by Drove Alone, and the average commute time is 24.4 minutes. The average car ownership in Clinton County, IL is 2 cars per household.