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.
The 5 largest ethnic groups in Cook County, IL are White (Non-Hispanic) (41.6%), Black or African American (Non-Hispanic) (22.6%), White (Hispanic) (10.4%), Other (Hispanic) (9.61%), and Asian (Non-Hispanic) (7.46%).
None of the households in Cook County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
90.1% of the residents in Cook County, IL are U.S. citizens.
In 2021, the median property value in Cook County, IL was $266,800, and the homeownership rate was 57.5%.
Most people in Cook County, IL drove alone to work, and the average commute time was 32.7 minutes. The average car ownership in Cook County, IL was 2 cars per household.