Mount Vernon Population 2026
Mount Vernon has a population of 15,087, making it the #3097 biggest city in 🇺🇸 United States, located in Illinois. It is about 584× smaller than New York City, the country's biggest city.
Population (city proper)
15,087
Rank in United States
#3097
Coordinates
38.32°N, 88.90°W
~156 m elevation · America/Chicago
Distance to capital (Washington)
1,032 km
641 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 Mount Vernon
- Marion17,803 people · ~65 km away
- Carbondale26,399 people · ~71 km away
- O'Fallon29,002 people · ~93 km away
- Belleville42,034 people · ~97 km away
- Fairview Heights16,827 people · ~99 km away
- Collinsville24,754 people · ~102 km away
FAQ
What is the population of Mount Vernon?
Mount Vernon has a population of 15,087 (city proper, latest official figure via GeoNames), making it the #3097 biggest city in United States.
What state is Mount Vernon in?
Mount Vernon is located in Illinois, United States.
Is Mount Vernon the capital of United States?
No, the capital of United States is Washington D.C., about 1,032 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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