In 2017, Douglas County, IL had a population of 19.8k people with a median age of 37.9 and a median household income of $52,261. Between 2016 and 2017 the population of Douglas County, IL grew from 19,770 to 19,830, a 0.303% increase and its median household income declined from $52,984 to $52,261, a -1.36% decrease.
The 5 largest ethnic groups in Douglas County, IL are White (Non-Hispanic) (90.5%), White (Hispanic) (5.81%), Asian (Non-Hispanic) (0.746%), Two or More Races (Non-Hispanic) (0.696%), and Two or More Races (Hispanic) (0.59%). N/A% of the people in Douglas County, IL speak a non-English language, and 98% are U.S. citizens.
The median property value in Douglas County, IL is $102,700, and the homeownership rate is 72.5%. Most people in Douglas County, IL commute by Drove Alone, and the average commute time is 19.7 minutes. The average car ownership in Douglas County, IL is 2 cars per household.