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San Marcos
City in California, United States
Overview
San Marcos, California is a growing city in northern San Diego County, offering a blend of suburban comfort, natural beauty, and a lively university atmosphere. Surrounded by rolling hills and close to both beaches and inland attractions, it's an ideal base for exploring Southern California.
Geographic Context
Jurisdiction
United States
State
California
Population
94,833
Time Zone
America/Los_Angeles
Coordinates
33.14°, -117.17°
Key Metrics
Safety Score · estimate
75
Female Safety
78
LGBTQ+ Safety
80
Traffic Safety
70
Food Safety
97
Monthly Cost · estimate
$4,625
Local Cost
$2,800
Local Income
$3,900
Cashless
97
English
99
Temperature
17.1°C
Summer Avg
23.3°C
Winter Avg
11.0°C
Record High
43.8°C
Record Low
-1.9°C
Humidity
57%
Precipitation
320 mm
Internet Speed
289 Mbps
Upload
127 Mbps
Latency
10 ms
City Vibrancy
21
Coworking
0
Cafes
7
Nightlife
5
Parks
9
Transport
0
Walk Score
0
Footways
—
Airport
CLD
Distance
11 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: 87/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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