Skip to main content
Population Review

Lake County, IL — Population & Demographics

Lake County, IL has a population of 711,885. The median household income is $108,917 and the median age is 38.9.

711,885

Population

$108,917

Median Income

$326,600

Median Home Value

38.9

Median Age

Race & Ethnicity

White64.0%
Black or African American6.6%
Asian0.0%
Hispanic or Latino (any race)1.9%
Two or More Races0.0%

Economy & Income

$108,917

Median Household Income

$55,756

Per Capita Income

5.4%

Poverty Rate

3.4%

Unemployment

Housing

$326,600

Median Home Value

$1,434

Median Rent

74.4%

Homeownership

Education

90.6%

High School+

47.0%

Bachelor's+

Frequently Asked Questions

Lake County, IL has a population of 711,885 according to Census ACS 2023 data.

The median household income in Lake County, IL is $108,917.

Data from the American Community Survey (ACS) 5-Year estimates.