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Population Review

What is the population of Lake County, IL?

Lake County in Illinois has a population of 711,885, per Census ACS 5-Year estimates. The median household income is $108,917 and the median age is 38.9.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Lake County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.

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Related Questions

What is the median household income in Lake County, IL?What is the median home value in Lake County, IL?What are the demographics of Lake County, IL?What is the cost of living in Lake County, IL?Is Lake County, IL growing?

Frequently Asked Questions

Lake County in Illinois has a population of 711,885, per Census ACS 5-Year estimates. The median household income is $108,917 and the median age is 38.9.