Rancho Cucamonga Population 2026
Rancho Cucamonga has a population of 175,236, making it the #152 biggest city in 🇺🇸 United States, located in California. Roughly 0.1% of United States's population lives here. It is about 50× smaller than New York City, the country's biggest city.
Population (city proper)
175,236
Rank in United States
#152
Coordinates
34.11°N, 117.59°W
~368 m elevation · America/Los_Angeles
Distance to capital (Washington)
3,634 km
2,257 miles, straight line
Other big cities in California
| City | Population | Rank in United States |
|---|---|---|
| Los Angeles | 3,820,914 | #2 |
| San Diego | 1,404,452 | #8 |
| San Jose | 997,368 | #12 |
| San Francisco | 827,526 | #17 |
| Fresno | 542,107 | #34 |
| Sacramento | 524,943 | #35 |
| Long Beach | 474,140 | #41 |
| Oakland | 419,267 | #45 |
Cities near Rancho Cucamonga
- Ontario171,214 people · ~7 km away
- Fontana212,704 people · ~15 km away
- Riverside317,261 people · ~25 km away
- Corona164,226 people · ~26 km away
- San Bernardino216,108 people · ~28 km away
- Moreno Valley204,198 people · ~38 km away
FAQ
What is the population of Rancho Cucamonga?
Rancho Cucamonga has a population of 175,236 (city proper, latest official figure via GeoNames), making it the #152 biggest city in United States.
What state is Rancho Cucamonga in?
Rancho Cucamonga is located in California, United States.
Is Rancho Cucamonga the capital of United States?
No, the capital of United States is Washington D.C., about 3,634 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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