In 2018, Lake County, IL had a population of 701k people with a median age of 38.5 and a median household income of $87,133. Between 2017 and 2018 the population of Lake County, IL declined from 703,520 to 700,832, a -0.382% decrease and its median household income grew from $85,895 to $87,133, a 1.44% increase.
The 5 largest ethnic groups in Lake County, IL are White (Non-Hispanic) (60.9%), White (Hispanic) (13.2%), Asian (Non-Hispanic) (8%), Other (Hispanic) (7.52%), and Black or African American (Non-Hispanic) (6.35%). 30% of the people in Lake County, IL speak a non-English language, and 90.5% are U.S. citizens.
The largest universities in Lake County, IL are College of Lake County (3,021 degrees awarded in 2017), Rosalind Franklin University of Medicine and Science (660 degrees), and Lake Forest College (523 degrees).
The median property value in Lake County, IL is $269,300, and the homeownership rate is 73.7%. Most people in Lake County, IL commute by Drove Alone, and the average commute time is 28.8 minutes. The average car ownership in Lake County, IL is 2 cars per household.