| ZIP Code | 91108 |
|---|---|
| City | San Marino |
| State | California (CA) |
| County | Los Angeles County |
| Area Code | 626 |
| Elevation | 545 ft |
| Latitude | 34.122372 |
|---|---|
| Longitude | -118.114234 |
| Timezone | Los Angeles (DST) |
| FIPS | 06037 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 45.6 yrs ↓ 4% since 2019 |
|---|---|
| Avg Household Size | 3.14 |
| Below Poverty | 5.8% ▼ 42% below avg |
| College Grads | 83.9% ▲ 116% above avg |
| Unemployment | 4.1% ▼ 17% below avg |
| No HS Diploma | 119 (1.4%) |
| HS Graduate | 409 (4.9%) |
| Some College | 193 (2.3%) |
| Associates | 629 (7.5%) |
| Bachelors | 310 (3.7%) |
| Graduate Degree | 6,709 (80.2%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $186,023 ▲ 144% above avg ↑ 12% since 2019 |
|---|---|
| Median Home Value | $2,000,000+ ▲ 617% above avg |
| Home/Income Ratio | 10.8x (nat avg ~3.5x) |
| Median Rent | $3,501/mo ↑ 9% since 2019 |
| Total Units | 4,490 |
| Vacant Units | 556 |
| Avg HH Size | 3.14 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 4,490 |
|---|---|
| Vacant | 556 |
| Owner Occupied | 82.0% |
| Renter Occupied | 18.1% |
| Avg HH Size | 3.14 |
ZIP code 91108 is located in San Marino, California, within Los Angeles County. With a population of 12,464, this is a lightly populated ZIP code with a mature community — the median age is 45.6 years. Economically, 91108 is a affluent ZIP code: the median household income of $186,023 is more than double the national average.
Real estate in ZIP code 91108 represents among the most expensive housing markets in the country. The median home value of $2,000,000+ is more than double the national average. Renters can expect to pay around $3,501 per month in median rent. Homeownership is strong here — 82.0% of occupied units are owner-occupied, suggesting an established, stable residential community.
The population of 91108 is majority Asian (68.32%). Residents are highly educated — 83.9% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 5.8%. Household income has grown by 12% since 2019.
The unemployment rate in 91108 stands at 4.1%, which is below the national average. About 25% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 57%.
Overall, ZIP code 91108 in San Marino, CA is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 12,464 residents, a median household income of $186,023, and a median home value of $2,000,000+, it offers a clear picture of life in this part of California.