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
75
Female Safety
78
LGBTQ+ Safety
80
Traffic Safety
70
Food Safety
97
Monthly Cost
$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
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 27 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 87/100.