About Simi Valley
Simi Valley is a city located in United States, in the California region. According to the latest available data (2026), the population of Simi Valley is approximately 126,356 residents, making it the #653 most populous city in United States.
Globally, Simi Valley ranks #12,955 among the world's most populated cities.
Simi Valley City Statistics
| City | Simi Valley |
| Country |  United States |
| Population | 126,356 |
| Global Rank | #12,955 |
| Rank in United States | #653 of 867 cities |
| City Category | city |
| Region | California |
| Latitude | 34.2708 |
| Longitude | -118.7392 |
| Data Year | 2026 |
Where is Simi Valley Located?
Simi Valley is located in United States, in the California region, at coordinates 34.2708° latitude and -118.7392° longitude. Simi Valley sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Simi Valley?
The population of Simi Valley is approximately 126,356 residents according to the latest available data (2026).
Where is Simi Valley located?
Simi Valley is located in United States at approximately 34.2708° latitude and -118.7392° longitude.
Is Simi Valley one of the largest cities in United States?
With a population of 126,356, Simi Valley is one of the notable urban areas in United States. It ranks #653 out of 867 cities in the country.
