Cook County Population Clock

Population of Cook County 2023 - 2024

On 01 Jul 2023 Cook County population was estimated as 5246277 people. On 01 Jul 2024 Cook County population will be 5246098 people. It’s +-0% (179 people) compared with the population of Cook County on 01 Jul 2024. These data (statistics and projection) are based on information from the United Nations and Census on the assessment and forecasting of the Cook County population. Cook County population clock counts based on the current number of the above values at time UTC (the date and time specified above).