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ZIP Code 94021
Loma Mar, CA, San Mateo County
Population
321
Land area
11sq mi
People per sq mi
29
City
Loma Mar
ZIP 94021 and nearby ZIP codes
ZIP 94021 at a glance
- ZIP 94021 (Loma Mar) is 88% less dense than California as a whole.
Local data for ZIP 94021
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
8
ZIP Business Patterns 2023
Employees
42
$2.8M annual payroll
PPP loans
$505K
12 loans
Campaign donations
$2,750
69% D, 0% R, 2026 cycle
Environment and hazard risk
ZIP 94021, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: earthquake
Storm events since 1996
690
Countywide, mostly strong wind
Flood insurance policies
3,346
1.8% of homes, county
July high / Jan low
81° / 41°F
42.2 inches of rain a year
Health statistics
Share of adults in ZIP 94021, CDC PLACES estimates
Obesity
27.8%
U.S. 33.3% -5.5 pts
Diabetes
10.6%
U.S. 12.1% -1.5 pts
Smoking
11.6%
U.S. 12.8% -1.2 pts
Uninsured (18-64)
6.4%
U.S. 11.1% -4.7 pts
Frequently asked questions
- What city is ZIP code 94021?
- ZIP code 94021 is in Loma Mar, CA (San Mateo County).
- What county is ZIP code 94021 in?
- ZIP code 94021 is mostly in San Mateo County, California.
- How many people live in ZIP code 94021?
- About 321 people live in the 94021 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.