In 2019, Clinton County, IL had a population of 37.6k people with a median age of 40.6 and a median household income of $66,639. Between 2018 and 2019 the population of Clinton County, IL grew from 37,628 to 37,634, a 0.0159% increase and its median household income grew from $65,010 to $66,639, a 2.51% increase.
The 5 largest ethnic groups in Clinton County, IL are White (Non-Hispanic) (91.4%), Black or African American (Non-Hispanic) (3.45%), White (Hispanic) (2.22%), Two+ (Non-Hispanic) (1.18%), and Asian (Non-Hispanic) (0.555%). 0% of the households in Clinton County, IL speak a non-English language at home as their primary language.
99% of the residents in Clinton County, IL are U.S. citizens.
The largest universities in Clinton County, IL are Kaskaskia College (906 degrees awarded in 2019).
In 2019, the median property value in Clinton County, IL was $146,200, and the homeownership rate was 79.6%. Most people in Clinton County, IL drove alone to work, and the average commute time was 25.7 minutes. The average car ownership in Clinton County, IL was 2 cars per household.