Washington Population 2026
Washington has a population of 16,664, making it the #2815 biggest city in 🇺🇸 United States, located in Illinois. It is about 528× smaller than New York City, the country's biggest city.
Population (city proper)
16,664
Rank in United States
#2815
Coordinates
40.70°N, 89.41°W
~232 m elevation · America/Chicago
Distance to capital (Washington)
1,075 km
668 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 Washington
- Morton16,306 people · ~11 km away
- North Peoria113,004 people · ~15 km away
- East Peoria23,080 people · ~15 km away
- Peoria115,070 people · ~15 km away
- Pekin33,223 people · ~25 km away
- Normal54,373 people · ~41 km away
FAQ
What is the population of Washington?
Washington has a population of 16,664 (city proper, latest official figure via GeoNames), making it the #2815 biggest city in United States.
What state is Washington in?
Washington is located in Illinois, United States.
Is Washington the capital of United States?
No, the capital of United States is Washington D.C., about 1,075 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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