Chicago Flag

Chicago

County:
Cook County
County Seat:
Yes
Area (mi²):
227.748
State:
Illinois

Chicago is a city located in Cook County, Illinois. Chicago has a 2026 population of 2,721,308. It is also the county seat of Cook County. Chicago is currently growing at a rate of 0.82% annually but its population has decreased by -0.87% since the most recent census, which recorded a population of 2,745,196 in 2020.

2.7M
Total Population
11,949
Density (mi²)
22.2K 0.82%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)