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Diablo
City in California, United States
Overview
Diablo is a prestigious enclave set in the foothills of Mount Diablo, known for its luxurious homes, country club, and proximity to scenic trails. The town offers a peaceful atmosphere with an emphasis on privacy and exclusivity, making it popular with affluent families and outdoor enthusiasts.
Geographic Context
Jurisdiction
United States
State
California
Population
—
Time Zone
America/Los_Angeles
Coordinates
37.83°, -121.96°
Key Metrics
Safety Score
95
Female Safety
90
LGBTQ+ Safety
90
Traffic Safety
90
Food Safety
98
Monthly Cost
$6,000
Local Cost
$4,100
Local Income
$7,500
Cashless
90
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
Internet Speed
313 Mbps
Upload
104 Mbps
Latency
109 ms
City Vibrancy
1
Coworking
0
Cafes
0
Nightlife
0
Parks
1
Transport
31
Walk Score
31
Footways
62.0
Airport
CCR
Distance
19 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-23.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 36 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-09.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
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 70/100.
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