What is the population of Chicago?

Question & Answer about Chicago, Illinois Q & A's

Updated April 26, 2026

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Question:
What is the population of Chicago?

Chicago, Illinois, has a population of approximately 2.7 million people. It is the third-largest city in the United States by population, following New York City and Los Angeles.

As the largest city in Illinois and a major economic and cultural hub in the Midwest, Chicago's population reflects its diverse communities and significant urban density. The city serves as a center for finance, industry, technology, and transportation, attracting residents from across the country and around the world. Its population has remained relatively stable in recent years, with slight fluctuations due to economic factors, migration, and demographic changes.

Key Points:
- Population around 2.7 million
- Third-largest U.S. city by population
- Major economic and cultural center in the Midwest

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