San Marcos, CA ZIP Codes, Coordinates & Counties
San Marcos, California has 2 ZIP codes in San Diego county. The approximate center of San Marcos is 33.145, -117.172. San Marcos has about 75,685 known street addresses.
ZIP codes in San Marcos, CA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 92069 | San Diego | 33.171 | -117.159 |
| 92078 | San Diego | 33.119 | -117.185 |
Counties San Marcos spans
San Diego
Most common streets in San Marcos
Northstar, Autumn, Mission, Grand, Creekside, Mulberry, City, Fulton, Woodland, Washingtonia
Frequently asked questions
What ZIP codes are in San Marcos, CA?
San Marcos, California has 2 ZIP codes, ranging from 92069 to 92078. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is San Marcos, CA in?
San Marcos is in San Diego county.
What are the latitude and longitude of San Marcos, CA?
The approximate center of San Marcos, California is latitude 33.145, longitude -117.172. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does San Marcos, CA have?
San Marcos has 2 ZIP codes.
How many addresses are in San Marcos, CA?
San Marcos, California has about 75,685 known street addresses in the sthan.io US address database.
What are the most common streets in San Marcos, CA?
Some of the most common street names in San Marcos are Northstar, Autumn, Mission, Grand, Creekside, Mulberry.
What cities are near San Marcos, CA?
Cities near San Marcos include Vista (5 mi), Escondido (6 mi), Carlsbad (7 mi), Encinitas (8 mi), Rancho Santa Fe (9 mi).
Cities near San Marcos
Vista, CA (5 mi) Escondido, CA (6 mi) Carlsbad, CA (7 mi) Encinitas, CA (8 mi) Rancho Santa Fe, CA (9 mi) Bonsall, CA (10 mi) Cardiff By The Sea, CA (10 mi) Solana Beach, CA (11 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database