Algonquin Population 2026
Algonquin has a population of 30,571, making it the #1518 biggest city in 🇺🇸 United States, located in Illinois. It is about 288× smaller than New York City, the country's biggest city.
Population (city proper)
30,571
Rank in United States
#1518
Coordinates
42.17°N, 88.29°W
~226 m elevation · America/Chicago
Distance to capital (Washington)
1,018 km
632 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 Algonquin
- Lake in the Hills29,024 people · ~3 km away
- Carpentersville38,512 people · ~6 km away
- Crystal Lake40,448 people · ~9 km away
- Huntley26,005 people · ~11 km away
- Elgin112,111 people · ~14 km away
- McHenry26,657 people · ~19 km away
FAQ
What is the population of Algonquin?
Algonquin has a population of 30,571 (city proper, latest official figure via GeoNames), making it the #1518 biggest city in United States.
What state is Algonquin in?
Algonquin is located in Illinois, United States.
Is Algonquin the capital of United States?
No, the capital of United States is Washington D.C., about 1,018 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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