ZIP code 92078: San Marcos, CA
92078 is a ZIP code in San Marcos, California, mainly in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metro area. About 53,605 people live here.
- Population
- 53,605
- Median household income
- $120,268
- Typical home value
- $1,040,200+0.5% in 12 months
- Median rent
- $2,567gross, per month
- Median age
- 38.8
- Homeowners
- 72%of occupied homes
Shaded: ZIP code 92078's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 92078 details
| City | San Marcos |
|---|---|
| State | California |
| County | San Diego County |
| Metro area | San Diego-Chula Vista-Carlsbad, CA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 16.7 sq mi, plus 0.1 sq mi of water |
| Population density | 3,210 people per sq mi |
| Bachelor's degree or higher | 49.2% of adults 25+ |
| Average commute | 26.5 minutes |
| Center coordinates | 33.11706, -117.18081 |
Median rent in 92078 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $1,900/mo |
| 1 bedroom | $2,017/mo |
| 2 bedrooms | $2,521/mo |
| 3 bedrooms | $2,859/mo |
| 4 bedrooms | $3,501/mo |
| 5+ bedrooms | $3,501/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 92078
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 92096 | San Marcos, CA | 1.6 mi | 0 |
| 92079 | San Marcos, CA | 2.0 mi | — |
| 92029 | Escondido, CA | 3.9 mi | 20,726 |
| 92009 | Carlsbad, CA | 4.0 mi | 44,739 |
| 92069 | San Marcos, CA | 4.2 mi | 47,335 |
| 92091 | Rancho Santa Fe, CA | 4.5 mi | 972 |
| 92081 | Vista, CA | 4.8 mi | 29,002 |
| 92046 | Escondido, CA | 5.5 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 92078?
A typical home in ZIP code 92078 is worth about $1,040,200 (Zillow Home Value Index). The median household here earns $120,268 a year. See what buying here would cost per month, with California average taxes and insurance filled in.
Monthly payment for a $1,040,200 homeWhat can a $120,268 income afford?Rental property numbers
About ZIP code 92078
What city is ZIP code 92078?
ZIP code 92078 is in San Marcos, CA, in San Diego County.
What county is ZIP code 92078 in?
92078 is mainly in San Diego County, California.
What is the population of ZIP code 92078?
About 53,605 people live in ZIP code 92078, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 92078 in?
92078 is in Pacific Time (UTC−8). It observes daylight saving time.