San Marcos ZIP codes, California
San Marcos, CA has 4 ZIP codes (92069, 92078, 92079 and 92096) and area codes 760 and 442. The largest is 92069.
- USPS city name
- 4 ZIP codes
- Overlapping the city
- 4 more
- Population
- 94,882
- County
- San Diego County
- State
- California
Mail addressed to San Marcos uses the ZIP codes above. 4 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
San Marcos in numbers
About 94,882 people live in San Marcos, in 31,350 households. The median household income is $109,377 a year, 10% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $868,000 (18% above the California median), and median gross rent is $2,348 a month. The median age is 36.8; 43.8% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 27 minutes.
| Population | 94,882 |
|---|---|
| Households | 31,350 |
| Median age | 36.8 |
| Median household income | $109,377 |
| Median home value | $868,000 |
| Median gross rent | $2,348 |
| Bachelor's degree or higher | 43.8% |
| Mean commute | 26.5 min |
| Population density | 3,862 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place San Marcos city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as San Marcos
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
92069 | San Marcos , CA | Standard | 47,335 | $96,771 | $800,700 |
92078 | San Marcos , CA | Standard | 53,605 | $120,268 | $942,300 |
92079 | San Marcos , CA | No street area | — | — | — |
92096 | San Marcos , CA | Standard | 0 | — | — |
Other ZIP codes overlapping San Marcos
These ZIP codes cover part of San Marcos but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
92009 | Carlsbad , CA | Standard | 44,739 | $164,182 | $1,368,100 |
92024 | Encinitas , CA | Standard | 50,617 | $158,507 | $1,612,000 |
92029 | Escondido , CA | Standard | 20,726 | $124,726 | $985,500 |
92084 | Vista , CA | Standard | 49,727 | $98,577 | $824,400 |
Map of San Marcos ZIP codes
The ZIP codes of San Marcos, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near San Marcos
The nearest larger towns are Escondido (149,668 people, 5.5 mi), Vista (99,114 people, 5.6 mi) and Carlsbad (114,373 people, 6.6 mi).
| Town | Population | Distance |
|---|---|---|
| Lake San Marcos | 4,693 | 2.3 mi |
| Harmony Grove | 2,585 | 2.9 mi |
| Escondido | 149,668 | 5.5 mi |
| Vista | 99,114 | 5.6 mi |
| Carlsbad | 114,373 | 6.6 mi |
| Hidden Meadows | 3,524 | 6.9 mi |
| Encinitas | 61,480 | 7.8 mi |
| Fairbanks Ranch | 2,703 | 9.8 mi |
| Bonsall | 4,332 | 9.9 mi |
| Oceanside | 172,242 | 10.1 mi |
| Solana Beach | 12,823 | 11.0 mi |
| Valley Center | 11,119 | 11.3 mi |
| Del Mar | 3,903 | 12.8 mi |
| Poway | 48,713 | 13.2 mi |
More nearby: every ZIP code in San Diego County · California ZIP codes
Cite this page
zipcodes.pro. “San Marcos, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/san-marcos
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