ZIP code 92078
Where is ZIP code 92078?
San Marcos, California
San Diego County · Standard ZIP code
ZIP code 92078 belongs to San Marcos, California in San Diego County. 92078 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area codes 442 and 760. About 53,605 people live in the 92078 area, where the median household income is $120,268. The closest ZIP codes are 92069 (San Marcos, 1.9 mi northeast), 92079 (San Marcos, 2 mi northeast) and 92096 (San Marcos, 2 mi northeast).
| ZIP code | 92078 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | San Marcos |
| Also accepted | Elfin Forest |
| State | California (CA) |
| County | San Diego County |
| Time zone | Pacific Time · now |
| Area codes | 442, 760 |
| Coordinates | 33.1193, -117.185 map |
| 3-digit prefix | 920 |
Population and income in 92078
| Population | 53,605 · higher than 90% of California ZIP codes |
|---|---|
| People per square mile | 3,210 · higher than 66% of California ZIP codes |
| Median age | 38.8 years · lower than 57% of California ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $120,268 · higher than 73% of California ZIP codes |
| Income per person | $54,529 |
| Below the poverty line | 7.0% |
| Bachelor’s degree or higher | 49% of adults 25+ |
| Median home value | $942,300 · higher than 73% of California ZIP codes |
| Median rent | $2,567 a month |
| Housing units | 19,339 |
| Households | 18,522 (2.79 people on average) |
| Owners / renters | 72% / 28% |
| Land area | 16.7 sq mi (plus 0.12 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 92078. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 92078
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 92069 | San Marcos, CA | 1.9 mi NE | Standard |
| 92079 | San Marcos, CA | 2 mi NE | PO Box only |
| 92096 | San Marcos, CA | 2 mi NE | Unique |
| 92081 | Vista, CA | 4.5 mi NW | Standard |
| 92029 | Escondido, CA | 4.7 mi SE | Standard |
| 92009 | Carlsbad, CA | 4.7 mi W | Standard |
| 92030 | Escondido, CA | 5.7 mi E | PO Box only |
| 92033 | Escondido, CA | 5.7 mi E | PO Box only |
| 92046 | Escondido, CA | 5.7 mi E | PO Box only |
| 92026 | Escondido, CA | 5.8 mi NE | Standard |
| 92011 | Carlsbad, CA | 6.4 mi W | Standard |
| 92085 | Vista, CA | 6.5 mi NW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 92078 or measure the distance to another ZIP code.
How to address mail to 92078
123 MAIN ST
SAN MARCOS CA 92078
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts ELFIN FOREST as the city name for 92078. Adding the 4-digit ZIP+4 code (92078-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in San Marcos, CA
All San Marcos ZIP codes with population and income →
Questions
- What city is ZIP code 92078?
- 92078 is a San Marcos, California ZIP code. Elfin Forest is also accepted as the city name.
- What county is 92078 in?
- ZIP code 92078 is in San Diego County, California.
- What time zone is ZIP code 92078 in?
- 92078 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 92078?
- Phone numbers in ZIP code 92078 use area codes 442 and 760.
- What is the population of ZIP code 92078?
- About 53,605 people live in ZIP code 92078, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 92078?
- The median household income in 92078 is $120,268 a year, higher than 73% of California ZIP codes.
- What ZIP codes are near 92078?
- The nearest ZIP codes to 92078 are 92069 (San Marcos, 1.9 miles), 92079 (San Marcos, 2 miles), 92096 (San Marcos, 2 miles) and 92081 (Vista, 4.5 miles).