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ZIP Code 91931
Descanso, CA, San Diego County
Population
494
Land area
8.2sq mi
People per sq mi
60
City
Descanso
ZIP 91931 and nearby ZIP codes
ZIP 91931 at a glance
- ZIP 91931 (Descanso) is 76% less dense than California as a whole.
Local data for ZIP 91931
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
12
ZIP Business Patterns 2023
Employees
59
$3.5M annual payroll
PPP loans
$494K
6 loans
Campaign donations
$301
0% D, 13% R, 2026 cycle
Environment and hazard risk
ZIP 91931, 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
83° / 33°F
17.6 inches of rain a year
Health statistics
Share of adults in ZIP 91931, CDC PLACES estimates
Obesity
26.5%
U.S. 33.3% -6.8 pts
Diabetes
10.2%
U.S. 12.1% -1.9 pts
Smoking
12.1%
U.S. 12.8% -0.7 pts
Uninsured (18-64)
5.8%
U.S. 11.1% -5.3 pts
Frequently asked questions
- What city is ZIP code 91931?
- ZIP code 91931 is in Descanso, CA (San Diego County).
- What county is ZIP code 91931 in?
- ZIP code 91931 is mostly in San Diego County, California.
- How many people live in ZIP code 91931?
- About 494 people live in the 91931 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.