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ZIP Code 91108
San Marino, CA, Los Angeles County
Population
12,401
Land area
3.8sq mi
People per sq mi
3,273
City
San Marino
ZIP 91108 and nearby ZIP codes
ZIP 91108 at a glance
- ZIP 91108 (San Marino) is about 13 times as dense as California as a whole.
- Households here earn a median of $204,847 a year, about 2.1 times the California figure of $99,122.
- A typical owner-occupied home is valued at more than $2,000,000 and median rent is more than $3,500 a month.
Local data for ZIP 91108
Counts from official public data
Housing and community stats
ZIP 91108, American Community Survey 2020-2024
Median household income
$204,847
Poverty rate
6.6%
Median home value
$2,000,000+
Prices -9.8% in a year
Median rent
$3,500+/mo
Homeownership
82.0%
Bachelor's or higher
82.5%
Median age
46.1
Average commute
26.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
653
ZIP Business Patterns 2023
Employees
2,933
$178M annual payroll
PPP loans
$40.6M
761 loans
Campaign donations
$983K
24% D, 32% R, 2026 cycle
Environment and hazard risk
ZIP 91108, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
662
Countywide, mostly flash flood
Flood insurance policies
10,584
0.5% of homes, county
July high / Jan low
86° / 46°F
15.7 inches of rain a year
Health statistics
Share of adults in ZIP 91108, CDC PLACES estimates
Obesity
14.9%
U.S. 33.3% -18.4 pts
Diabetes
10.9%
U.S. 12.1% -1.2 pts
Smoking
5.0%
U.S. 12.8% -7.8 pts
Uninsured (18-64)
2.8%
U.S. 11.1% -8.3 pts
Frequently asked questions
- What city is ZIP code 91108?
- ZIP code 91108 is in San Marino, CA (Los Angeles County).
- What county is ZIP code 91108 in?
- ZIP code 91108 is mostly in Los Angeles County, California.
- How many people live in ZIP code 91108?
- About 12,401 people live in the 91108 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.