San Marcos, CA ZIP codes
2 ZIP codes lie mostly inside San Marcos. For each one: residents, median age, household income, home value, rent and homeownership, so you can see how different parts of the city compare.
ZIP codes mostly in San Marcos
| ZIP | Share in city | Residents | Median age | Household income | Home value | Rent | Homeowners |
|---|---|---|---|---|---|---|---|
| 92069 | 56% | 47,335 | 36.1 | $96,771 | $800,700 | $2,264 | 56% |
| 92078 | 79% | 53,605 | 38.8 | $120,268 | $942,300 | $2,567 | 72% |
"Share in city" is the part of each ZIP code's land area inside San Marcos city limits. Figures describe the whole ZIP code. Sources: Census Bureau 2020 ZIP Code Tabulation Areas (which closely follow USPS ZIP codes) and ACS 2020-2024 5-year estimates. Small ZIP codes have wide margins of error; "n/a" means the Census Bureau did not publish a value. Click a column to sort.
Frequently asked questions
How many ZIP codes are in San Marcos?
2 ZIP codes lie mostly inside San Marcos, and 0 more are partly in the city, by the Census Bureau's 2020 ZIP Code Tabulation Areas. PO box and single-building ZIP codes have no residents and are not listed.
Which San Marcos ZIP code has the highest income?
92078 has the highest median household income, $120,268, and 92069 the lowest, $96,771 (ACS 2020-2024, ZIP codes with 1,000+ residents).
Where is rent cheapest in San Marcos?
By ZIP code, median gross rent is lowest in 92069 ($2,264 a month) and highest in 92078 ($2,567).
Compare the whole city with others on the San Marcos profile, or see San Marcos population by year.