People cross North Michigan Avenue at East Randolph Street on May 13, 2025, in Chicago. Chicago's population grew by about 22,000 people from mid-2023 to mid-2024, according to census data.

Another Chicago suburb ranked as the state's sixth-largest city, with west suburban Elgin growing by just under 800 residents with an estimated population of 114,701.

Chicago remained the third-largest city in the nation, with 2,721,308 residents. New York was the nation’s largest city, with a population of 8,478,072.