ZIP code 91108: San Marino, CA
91108 is a ZIP code in San Marino, California, mainly in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metro area. About 12,401 people live here.
- Population
- 12,401
- Median household income
- $204,847
- Typical home value
- $2,795,300+6.5% in 12 months
- Median rent
- $3,501gross, per month
- Median age
- 46.1
- Homeowners
- 82%of occupied homes
Shaded: ZIP code 91108's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 91108 details
| City | San Marino |
|---|---|
| State | California |
| County | Los Angeles County |
| Metro area | Los Angeles-Long Beach-Anaheim, CA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 3.8 sq mi, plus 0 sq mi of water |
| Population density | 3,272 people per sq mi |
| Bachelor's degree or higher | 82.5% of adults 25+ |
| Average commute | 26.5 minutes |
| Center coordinates | 34.12237, -118.11423 |
Median rent in 91108 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $3,501/mo |
| 3 bedrooms | $3,501/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 91108
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 91118 | San Marino, CA | 0.4 mi | — |
| 91125 | Pasadena, CA | 1.2 mi | 1,000 |
| 91106 | Pasadena, CA | 1.4 mi | 23,910 |
| 91775 | San Gabriel, CA | 1.6 mi | 23,672 |
| 91778 | San Gabriel, CA | 1.9 mi | — |
| 91896 | Alhambra, CA | 2.0 mi | — |
| 91802 | Alhambra, CA | 2.0 mi | — |
| 91899 | Alhambra, CA | 2.0 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 91108?
A typical home in ZIP code 91108 is worth about $2,795,300 (Zillow Home Value Index). The median household here earns $204,847 a year. See what buying here would cost per month, with California average taxes and insurance filled in.
Monthly payment for a $2,795,300 homeWhat can a $204,847 income afford?Rental property numbers
About ZIP code 91108
What city is ZIP code 91108?
ZIP code 91108 is in San Marino, CA, in Los Angeles County.
What county is ZIP code 91108 in?
91108 is mainly in Los Angeles County, California.
What is the population of ZIP code 91108?
About 12,401 people live in ZIP code 91108, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 91108 in?
91108 is in Pacific Time (UTC−8). It observes daylight saving time.
What other ZIP codes does San Marino have?
San Marino, CA also uses 91118.