Cook County, IL | Data USA
https://datausa.io/profile/geo/cook-county-il/
WEBAbout. In 2021, Cook County, IL had a population of 5.27M people with a median age of 37.3 and a median household income of $72,121. Between 2020 and 2021 the population of Cook County, IL grew from 5.17M to 5.27M, a 1.85% increase and its median household income grew from $67,886 to $72,121, a 6.24% increase.
DA: 83 PA: 53 MOZ Rank: 23