Chicago, United States
Major city · Population 2.7M
Chicago is the 4th largest city in United States with a population of approximately 2,664,452 people as of 2026. This makes it the 141st largest city in the world, accounting for 0.78% of United States's total population of 340.1M. Chicago is classified as a major city and operates in the America/Chicago timezone. The average annual temperature is 11.8°C with 1,033 mm of rainfall per year. The city sits at an elevation of 178 meters above sea level.
Population
2,664,452
Global Rank
#141
Country Rank
#4
% of United States
0.78%
Avg Temperature
11.8°C
Annual Rainfall
1,033 mm
Elevation
178 m
Timezone
America/Chicago
Chicago on the Map
Climate in Chicago
Chicago's warmest month is Aug and the coldest is Jan. The wettest month is Jul with 172 mm of rainfall.
Average Monthly Temperature
Monthly Rainfall
United States at a Glance
Country Population
340,110,988
Capital
Washington, D.C.
Region
North America
Major Cities
356
GDP per Capita
$84,534
Life Expectancy
78.4 years
Urban Population
80.1%
Growth Rate
0.00%
Other Major Cities in United States
Nearest Major Cities
Closest cities to Chicago with over 100,000 people
| City | Population | Distance |
|---|---|---|
| Naperville | 147,100 | 42 km |
| Joliet | 147,861 | 51 km |
| Elgin | 112,111 | 56 km |
| Aurora | 200,661 | 56 km |
| South Bend | 101,516 | 118 km |
| Rockford | 148,278 | 128 km |
| Milwaukee | 563,531 | 134 km |
| Madison | 280,305 | 198 km |
Frequently Asked Questions
What is the population of Chicago?
The population of Chicago, United States is approximately 2,664,452 people, making it the 141st largest city in the world and the 4th largest in United States.
Is Chicago the capital of United States?
No, the capital of United States is Washington, D.C.. Chicago is the 4th largest city in the country.
What is the climate like in Chicago?
Chicago has an average annual temperature of 11.8°C and receives 1,033 mm of rainfall per year. The warmest month is Aug and the coldest is Jan.
What timezone is Chicago in?
Chicago is in the America/Chicago timezone.