Cook County

Cook County is a county in Illinois, United States. The population in Cook County was 5,109,292 in 2022. The median age in Cook County was 37.3 in 2021. The median income in Cook County was $37,760 in 2021. The unemployment rate in Cook County was 4.6% in 2023. The percentage of people with obesity in Cook County was 31.4% in 2021. The percentage of people who binge drink in Cook County was 17.1% in 2021. The percentage of people who smoke in Cook County was 13.2% in 2021.