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Contra Costa County
City in California, United States
Overview
Contra Costa County, part of the San Francisco Bay Area, boasts a blend of charming suburbs, diverse urban centers, and abundant natural beauty. From lively downtowns to peaceful parks, it's a destination for both relaxation and adventure.
Geographic Context
Jurisdiction
United States
State
California
Population
1,165,927
Time Zone
America/Los_Angeles
Coordinates
37.92°, -121.95°
Key Metrics
Safety Score
75
Female Safety
80
LGBTQ+ Safety
85
Traffic Safety
70
Food Safety
95
Monthly Cost
$4,850
Local Cost
$2,630
Local Income
$5,200
Cashless
95
English
100
Temperature
14.7°C
Summer Avg
20.2°C
Winter Avg
8.7°C
Record High
45.2°C
Record Low
-4.9°C
Humidity
70%
Precipitation
467 mm
City Vibrancy
3
Coworking
0
Cafes
0
Nightlife
0
Parks
3
Transport
0
Walk Score
0
Footways
—
Airport
CCR
Distance
12 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-05.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Estimated data
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 92/100.
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