| ZIP Code | 92078 |
|---|---|
| City | San Marcos |
| State | California (CA) |
| County | San Diego County |
| Area Code | 442/760 |
| Elevation | 733 ft |
| Latitude | 33.117065 |
|---|---|
| Longitude | -117.180807 |
| Timezone | Los Angeles (DST) |
| FIPS | 06073 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 38.6 yrs |
|---|---|
| Avg Household Size | 2.83 |
| Below Poverty | 8.2% ▼ 18% below avg |
| College Grads | 59.6% ▲ 54% above avg |
| Unemployment | 4.4% ▼ 11% below avg |
| No HS Diploma | 660 (2%) |
| HS Graduate | 4,526 (13.6%) |
| Some College | 3,296 (9.9%) |
| Associates | 4,974 (14.9%) |
| Bachelors | 3,358 (10.1%) |
| Graduate Degree | 16,496 (49.5%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $114,905 ▲ 51% above avg ↑ 35% since 2019 |
|---|---|
| Median Home Value | $874,000 ▲ 213% above avg ↑ 53% since 2019 |
| Home/Income Ratio | 7.6x (nat avg ~3.5x) |
| Median Rent | $2,468/mo ↑ 30% since 2019 |
| Total Units | 19,249 |
| Vacant Units | 922 |
| Avg HH Size | 2.83 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 19,249 |
|---|---|
| Vacant | 922 |
| Owner Occupied | 71.3% |
| Renter Occupied | 28.7% |
| Avg HH Size | 2.83 |
ZIP code 92078 is located in San Marcos, California, within San Diego County. With a population of 53,542, this is a highly populated ZIP code with a middle-aged community — the median age is 38.6 years. Economically, 92078 is a upper-middle-income ZIP code: the median household income of $114,905 is significantly above the national average.
Real estate in ZIP code 92078 represents among the most expensive housing markets in the country. The median home value of $874,000 is more than double the national average. Renters can expect to pay around $2,468 per month in median rent. Homeownership is strong here — 71.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 53% since 2019.
The population of 92078 is majority White (53.48%). Residents are well-educated — 59.6% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 8.2%. Household income has grown by 35% since 2019.
The unemployment rate in 92078 stands at 4.4%, which is near the national average. About 23% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 67%.
Overall, ZIP code 92078 in San Marcos, CA is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 53,542 residents, a median household income of $114,905, and a median home value of $874,000, it offers a clear picture of life in this part of California.