Simi Valley Population 2026
Simi Valley has a population of 126,788, making it the #230 biggest city in 🇺🇸 United States, located in California. It is about 69× smaller than New York City, the country's biggest city.
Population (city proper)
126,788
Rank in United States
#230
Coordinates
34.27°N, 118.78°W
~234 m elevation · America/Los_Angeles
Distance to capital (Washington)
3,730 km
2,316 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 Simi Valley
- Thousand Oaks129,339 people · ~12 km away
- Camarillo67,608 people · ~24 km away
- Santa Clarita182,371 people · ~26 km away
- Oxnard207,254 people · ~37 km away
- Ventura96,769 people · ~47 km away
- Glendale201,020 people · ~50 km away
FAQ
What is the population of Simi Valley?
Simi Valley has a population of 126,788 (city proper, latest official figure via GeoNames), making it the #230 biggest city in United States.
What state is Simi Valley in?
Simi Valley is located in California, United States.
Is Simi Valley the capital of United States?
No, the capital of United States is Washington D.C., about 3,730 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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