In 2017, Warren County, IL had a population of 17.4k people with a median age of 39.1 and a median household income of $47,278. Between 2016 and 2017 the population of Warren County, IL declined from 17,611 to 17,429, a -1.03% decrease and its median household income grew from $44,067 to $47,278, a 7.29% increase.
The 5 largest ethnic groups in Warren County, IL are White (Non-Hispanic) (84.4%), White (Hispanic) (5.28%), Some Other Race (Hispanic) (3.28%), Black or African American (Non-Hispanic) (2.76%), and Asian (Non-Hispanic) (2.32%). N/A% of the people in Warren County, IL speak a non-English language, and 95.7% are U.S. citizens.
The largest universities in Warren County, IL are Monmouth College (354 degrees awarded in 2017).
The median property value in Warren County, IL is $83,900, and the homeownership rate is 74.7%. Most people in Warren County, IL commute by Drove Alone, and the average commute time is 17 minutes. The average car ownership in Warren County, IL is 2 cars per household.