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Blackhawk
City in California, United States
Overview
Blackhawk, California is an affluent unincorporated community in Contra Costa County, set at the base of Mount Diablo. Known for its gated neighborhoods, luxury amenities, and scenic beauty, Blackhawk offers a tranquil suburban experience just east of San Francisco.
Geographic Context
Jurisdiction
United States
State
California
Population
—
Time Zone
America/Los_Angeles
Coordinates
37.82°, -121.91°
Key Metrics
Safety Score
95
Female Safety
92
LGBTQ+ Safety
90
Traffic Safety
80
Food Safety
100
Monthly Cost
$5,115
Local Cost
$3,830
Local Income
$11,500
Cashless
97
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
394 Mbps
Upload
99 Mbps
Latency
13 ms
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
3
Walk Score
3
Footways
5.0
Airport
LVK
Distance
16 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 53 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 82/100.
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