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San Mateo
City in California, United States
Overview
San Mateo, located at the heart of Silicon Valley on the San Francisco Peninsula, blends suburban comfort with lively urban amenities. Known for its lively downtown, excellent parks, and diverse dining scene, the city offers a welcoming atmosphere close to both San Francisco and Palo Alto.
Geographic Context
Jurisdiction
United States
State
California
Population
105,661
Time Zone
America/Los_Angeles
Coordinates
37.56°, -122.33°
Key Metrics
Safety Score · estimate
83
Female Safety
81
LGBTQ+ Safety
88
Traffic Safety
82
Food Safety
97
Monthly Cost · estimate
$5,659
Local Cost
$3,410
Local Income
$6,000
Cashless
95
English
99
Temperature
13.1°C
Summer Avg
14.8°C
Winter Avg
10.9°C
Record High
34.4°C
Record Low
2.3°C
Humidity
83%
Precipitation
515 mm
Internet Speed
172 Mbps
Upload
78 Mbps
Latency
18 ms
City Vibrancy
38
Coworking
3
Cafes
19
Nightlife
5
Parks
11
Transport
0
Walk Score
0
Footways
—
Airport
SFO
Distance
8 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: 94/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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