McHenry Population 2026
McHenry has a population of 26,657, making it the #1763 biggest city in 🇺🇸 United States, located in Illinois. It is about 330× smaller than New York City, the country's biggest city.
Population (city proper)
26,657
Rank in United States
#1763
Coordinates
42.33°N, 88.27°W
~243 m elevation · America/Chicago
Distance to capital (Washington)
1,021 km
634 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 McHenry
- Crystal Lake40,448 people · ~11 km away
- Lake in the Hills29,024 people · ~18 km away
- Algonquin30,571 people · ~19 km away
- Huntley26,005 people · ~23 km away
- Mundelein31,582 people · ~23 km away
- Carpentersville38,512 people · ~24 km away
FAQ
What is the population of McHenry?
McHenry has a population of 26,657 (city proper, latest official figure via GeoNames), making it the #1763 biggest city in United States.
What state is McHenry in?
McHenry is located in Illinois, United States.
Is McHenry the capital of United States?
No, the capital of United States is Washington D.C., about 1,021 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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