Census place · GEOID 0668196 · San Diego County
San Marcos, CA ZIP codes
6 ZIP/ZCTAs intersecting this Census place in San Diego County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place San Marcos (GEOID 0668196). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 220,226 (6 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of San Marcos, CA
ZIP/ZCTA overlap with San Marcos
Population overlap
Share of each ZIP/ZCTA’s population located within San Marcos, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 920240.1%
- 920290.2%
- 9206996.8%
USPS primary city
- 9207889.6%
USPS primary city
- 920840.0%
- 92096100.0%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting San Marcos
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 92024 | Encinitas | San Diego County | 50,030 | $149,080 |
| 92029 | Escondido | San Diego County | 20,296 | $120,038 |
| 92069 | San Marcos | San Diego County | 46,825 | $93,065 |
| 92078 | San Marcos | San Diego County | 53,542 | $114,905 |
| 92084 | Vista | San Diego County | 49,533 | $97,410 |
| 92096 | San Marcos | San Diego County | 0 | — |
USPS associates these ZIPs with San Marcos
These codes list San Marcos as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 92079 | San Marcos | San Diego County | 1,961 | — |