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Union City
City in California, United States
Overview
Union City is a diverse suburb in California's Bay Area, offering a blend of historic neighborhoods, modern amenities, and easy access to major tech hubs. With welcoming communities, good transit links, and abundant parks, it's a comfortable base for both families and travelers.
Geographic Context
Jurisdiction
United States
State
California
Population
70,143
Time Zone
America/Los_Angeles
Coordinates
37.60°, -122.02°
Key Metrics
Safety Score
73
Female Safety
75
LGBTQ+ Safety
80
Traffic Safety
70
Food Safety
95
Monthly Cost
$4,670
Local Cost
$3,040
Local Income
$4,200
Cashless
90
English
100
Temperature
13.9°C
Summer Avg
19.0°C
Winter Avg
8.6°C
Record High
45.3°C
Record Low
-5.1°C
Humidity
72%
Precipitation
510 mm
Internet Speed
293 Mbps
Upload
82 Mbps
Latency
11 ms
City Vibrancy
23
Coworking
0
Cafes
11
Nightlife
1
Parks
11
Transport
0
Walk Score
0
Footways
—
Airport
HWD
Distance
11 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.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 21 tests. 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 85/100.
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