In 2017, Decatur, IL had a population of 108k people with a median age of 41 and a median household income of $49,052. Between 2016 and 2017 the population of Decatur, IL declined from 108,404 to 107,587, a -0.754% decrease and its median household income grew from $47,477 to $49,052, a 3.32% increase.
The population of Decatur, IL is 76.7% White Alone, 13.9% Black or African American Alone, and 5.71% Two or More Races. N/A% of the people in Decatur, IL speak a non-English language, and 98.8% are U.S. citizens.
The median property value in Decatur, IL is $95,900, and the homeownership rate is 70%. Most people in Decatur, IL commute by Drove Alone, and the average commute time is 17.4 minutes. The average car ownership in Decatur, IL is 2 cars per household.