In 2018, De Witt County, IL had a population of 16k people with a median age of 43.1 and a median household income of $55,591. Between 2017 and 2018 the population of De Witt County, IL declined from 16,176 to 16,042, a -0.828% decrease and its median household income grew from $55,411 to $55,591, a 0.325% increase.
The 5 largest ethnic groups in De Witt County, IL are White (Non-Hispanic) (94.7%), Two+ (Non-Hispanic) (1.98%), White (Hispanic) (1.44%), Other (Hispanic) (1.2%), and Black or African American (Non-Hispanic) (0.474%). 0% of the households in De Witt County, IL speak a non-English language at home as their primary language, and 98.9% of the residents in De Witt County, IL are U.S. citizens.
In 2018, the median property value in De Witt County, IL was $100,900, and the homeownership rate was 79.4%. Most people in De Witt County, IL drove alone to work, and the average commute time was 20.5 minutes. The average car ownership in De Witt County, IL was 2 cars per household.