Jersey County, IL has a population of 22,441 people with a median age of 42.4 and a median household income of $52,738. Between 2015 and 2016 the population of Jersey County, IL declined from 22,625 to 22,441, a 0.81% decrease and its median household income declined from $53,271 to $52,738, a 1% decrease.
The population of Jersey County, IL is 96.2% White, 1.41% Two+, and 1.27% Hispanic. 1.99% of the people in Jersey County, IL speak a non-English language, and 99% are U.S. citizens.
The largest universities in Jersey County, IL are Principia College, with 136 graduates, N/A, with N/A graduates, and N/A, with N/A graduates.
The median property value in Jersey County, IL is $129,900, and the homeownership rate is 79.3%. Most people in Jersey County, IL commute by Drove Alone, and the average commute time is 27.8 minutes. The average car ownership in Jersey County, IL is 2 cars per household.
Jersey County, IL is the 53rd most populated county in Illinois and borders Calhoun County, IL; Greene County, IL; Macoupin County, IL; Madison County, IL; and St. Charles County, MO.