U.S. PLACE PROFILE
Simi Valley, CA
Simi Valley is a City in Ventura County, California. The loaded 2025 population estimate is 124,861.
Published locationCalifornia
Population estimate124,8612025 loaded Census estimate
CountyVentura CountyPrimary loaded county
Place typeCityCensus place classification
Coordinates34.26689, -118.74846Census representative point
EXPLORE FROM SIMI VALLEY
Distance and nearby-place tools
Only tools with enough qualifying stored data are linked below.
Closest published places
Nearest qualifying Census places by straight-line distance.
Moorpark, CA7.5 miles · W→
Agoura Hills, CA8.2 miles · S
Hidden Hills, CA8.7 miles · SE
Thousand Oaks, CA8.8 miles · SW→Westlake Village, CA9.8 miles · SW
Calabasas, CA10.3 miles · SE
County coverage
Some incorporated places cross county lines. These county-part values come from the loaded Census county-place-part population layer.
| County | 2025 population in this place part |
|---|---|
| Ventura County | 124,861 |
DATA COVERAGE
What is available for Simi Valley
Geographic identityNearby placesPopulation estimate100-mile radius25-mile radius50-mile radius
PRIMARY GEOGRAPHIC SOURCE
U.S. Census Bureau
Place identity, coordinates and geographic identifiers are tied to the loaded Census source record for this location.