Checked
ZIP Code 91901
Alpine, CA, San Diego County
Population
18,197
Land area
77.9sq mi
People per sq mi
234
City
Alpine
ZIP 91901 and nearby ZIP codes
ZIP 91901 at a glance
- The median household income is $114,167, 15% above the California median of $99,122.
- A typical owner-occupied home is valued at $852,000 (16% above California) and median rent is $2,055 a month.
Local data for ZIP 91901
Counts from official public data
Housing and community stats
ZIP 91901, American Community Survey 2020-2024
Median household income
$114,167
Poverty rate
12.4%
Median home value
$852,000
Prices +0.7% in a year
Median rent
$2,055/mo
Homeownership
74.8%
Bachelor's or higher
31.3%
Median age
42.2
Average commute
32.2 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
450
ZIP Business Patterns 2023
Employees
4,802
$254M annual payroll
PPP loans
$22.2M
415 loans
Campaign donations
$62.6K
31% D, 24% R, 2026 cycle
Environment and hazard risk
ZIP 91901, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: wildfire
Storm events since 1996
2,698
Countywide, mostly high wind
Flood insurance policies
6,088
0.7% of homes, county
July high / Jan low
87° / 43°F
16.1 inches of rain a year
Health statistics
Share of adults in ZIP 91901, CDC PLACES estimates
Obesity
27.2%
U.S. 33.3% -6.1 pts
Diabetes
10.7%
U.S. 12.1% -1.4 pts
Smoking
12.0%
U.S. 12.8% -0.8 pts
Uninsured (18-64)
6.5%
U.S. 11.1% -4.6 pts
Frequently asked questions
- What city is ZIP code 91901?
- ZIP code 91901 is in Alpine, CA (San Diego County).
- What county is ZIP code 91901 in?
- ZIP code 91901 is mostly in San Diego County, California.
- How many people live in ZIP code 91901?
- About 18,197 people live in the 91901 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.