Lake County, Illinois

The median household income in Lake County, Illinois is $108,917, according to U.S. Census Bureau American Community Survey 2019-2023 5-Year Estimates. This represents the midpoint of all household incomes in the county.

The per capita income in Lake County is $55,756, which represents the average income per person across the entire county population. The median household income — which accounts for all earners in a household — is $108,917.

Lake County's median household income of $108,917 is higher than the Illinois state average of $68,580. The per capita income is $55,756, compared to the state average of $36,009.

The per capita income in Lake County, Illinois is $55,756, according to U.S. Census Bureau American Community Survey 2019-2023 5-Year Estimates. Per capita income is calculated by dividing total personal income by total population, providing an average income figure per resident.

Lake County's median household income of $108,917 is higher than the Illinois average of $68,580. This difference of $40,337 can be attributed to factors such as local industry mix, proximity to major employment centers, educational attainment levels, and cost of living. Counties with higher incomes often have a greater concentration of professional and technical occupations.

Lake County ranks #3 out of 102 counties in Illinois by median household income (1 = highest). With a median household income of $108,917 and per capita income of $55,756, it falls in the top third of counties statewide.