In 2018, Madison County, IL had a population of 264k people with a median age of 40.1 and a median household income of $59,987. Between 2017 and 2018 the population of Madison County, IL declined from 265,428 to 264,461, a -0.364% decrease and its median household income grew from $57,890 to $59,987, a 3.62% increase.
N/A N/A% of the people in Madison County, IL speak a non-English language, and 98.7% are U.S. citizens.
The largest universities in Madison County, IL are Southern Illinois University-Edwardsville (3,340 degrees awarded in 2017), Lewis and Clark Community College (1,486 degrees), and CALC Institute of Technology (98 degrees).
The median property value in Madison County, IL is $136,600, and the homeownership rate is 71.2%. Most people in Madison County, IL commute by Drove Alone, and the average commute time is 25.5 minutes. The average car ownership in Madison County, IL is 2 cars per household.