Belleville Population 2026
Belleville has a population of 42,034, making it the #1052 biggest city in 🇺🇸 United States, located in Illinois. It is about 209× smaller than New York City, the country's biggest city.
Population (city proper)
42,034
Rank in United States
#1052
Coordinates
38.52°N, 89.98°W
~157 m elevation · America/Chicago
Distance to capital (Washington)
1,123 km
697 miles, straight line
Other big cities in Illinois
| City | Population | Rank in United States |
|---|---|---|
| Chicago | 2,664,452 | #3 |
| Aurora | 200,661 | #125 |
| Rockford | 148,278 | #184 |
| Joliet | 147,861 | #186 |
| Naperville | 147,100 | #190 |
| Peoria | 115,070 | #259 |
| Springfield | 114,394 | #262 |
| North Peoria | 113,004 | #266 |
Cities near Belleville
- Fairview Heights16,827 people · ~8 km away
- O'Fallon29,002 people · ~10 km away
- Collinsville24,754 people · ~17 km away
- East Saint Louis27,006 people · ~19 km away
- St. Louis279,695 people · ~22 km away
- Granite City29,054 people · ~25 km away
FAQ
What is the population of Belleville?
Belleville has a population of 42,034 (city proper, latest official figure via GeoNames), making it the #1052 biggest city in United States.
What state is Belleville in?
Belleville is located in Illinois, United States.
Is Belleville the capital of United States?
No, the capital of United States is Washington D.C., about 1,123 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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