Cook County, IL has a population of 5.2M people with a median age of 36.5 and a median household income of $60,046. Between 2015 and 2016 the population of Cook County, IL declined from 5.24M to 5.2M, a 0.66% decrease and its median household income grew from $56,851 to $60,046, a 5.62% increase.
The population of Cook County, IL is 42.3% White, 25.3% Hispanic, and 23.3% Black. 35.4% of the people in Cook County, IL speak a non-English language, and 89.4% are U.S. citizens.
The largest universities in Cook County, IL are Northwestern University, with 9,543 graduates, University of Illinois at Chicago, with 7,070 graduates, and DePaul University, with 6,531 graduates.
The median property value in Cook County, IL is $234,400, and the homeownership rate is 56%. Most people in Cook County, IL commute by Drove Alone, and the average commute time is 31.7 minutes. The average car ownership in Cook County, IL is 2 cars per household.
Cook County, IL is the 1st most populated county in Illinois and borders DuPage County, IL; Kane County, IL; Lake County, IL; McHenry County, IL; Will County, IL; Lake County, IN; Porter County, IN; Berrien County, MI& 3 more.