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Population Review

What is the population of Cook County, IL?

Cook County in Illinois has a population of 5,185,812, per Census ACS 5-Year estimates. The median household income is $81,797 and the median age is 37.8.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Cook 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 Cook County, IL?What is the median home value in Cook County, IL?What are the demographics of Cook County, IL?What is the cost of living in Cook County, IL?Is Cook County, IL growing?

Frequently Asked Questions

Cook County in Illinois has a population of 5,185,812, per Census ACS 5-Year estimates. The median household income is $81,797 and the median age is 37.8.