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Simi Valley
City in California, United States
Overview
Simi Valley is a suburban city in Southern California best known for its beautiful mountain surroundings, family-friendly atmosphere, and proximity to Los Angeles. The city offers a blend of residential comfort with scenic parks, hiking trails, and notable historical sites like the Ronald Reagan Presidential Library.
Geographic Context
Jurisdiction
United States
State
California
Population
126,356
Time Zone
America/Los_Angeles
Coordinates
34.27°, -118.78°
Key Metrics
Safety Score · estimate
88
Female Safety
85
LGBTQ+ Safety
80
Traffic Safety
78
Food Safety
98
Monthly Cost · estimate
$3,995
Local Cost
$2,650
Local Income
$4,740
Cashless
96
English
100
Temperature
16.4°C
Summer Avg
25.0°C
Winter Avg
8.6°C
Record High
44.5°C
Record Low
-4.5°C
Humidity
50%
Precipitation
340 mm
Internet Speed
341 Mbps
Upload
21 Mbps
Latency
14 ms
City Vibrancy
16
Coworking
0
Cafes
8
Nightlife
0
Parks
8
Transport
0
Walk Score
0
Footways
—
Airport
SZP
Distance
27 km
Explore
Data sources
Source-backed data
World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-05.
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 84/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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