What is the population of Cook County, IL?
Cook County in Illinois has a population of 5,185,812, according to Census ACS 2023 5-Year estimates. The median household income is $81,797.
Context
Cook County is one of 102 counties in Illinois. Counties are the primary subdivisions of states and administer courts, elections, property records, and many public services.
Explore Further
Related Questions
Frequently Asked Questions
Cook County in Illinois has a population of 5,185,812, according to Census ACS 2023 5-Year estimates. The median household income is $81,797.