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Loma Mar, CA
Census-designated place in San Mateo County, California. ZIP codes: 94021.
Population
309
Land area
1.7sq mi
People per sq mi
178
ZIP codes
1
Loma Mar and its ZIP codes
Loma Mar at a glance
- Loma Mar is 29% less dense than California as a whole.
Local data for Loma Mar, CA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for San Mateo County. PPP loans are for Loma Mar.
Unemployment rate
3.9%
Sep 2026, -0.2 pts in a year
Average annual pay
$214,295
411,346 jobs, 2025
Income per person
$179,656
BEA, 2024
Federal spending
$5.1B
FY 2026, $6,619 per person
Environment and hazard risk
Loma Mar, CA, 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
69° / 40°F
30.4 inches of rain a year
Health statistics
Share of adults in Loma Mar, CA, CDC PLACES estimates
Obesity
27.8%
U.S. 33.3% -5.5 pts
Diabetes
10.8%
U.S. 12.1% -1.3 pts
Smoking
11.6%
U.S. 12.8% -1.2 pts
Uninsured (18-64)
6.0%
U.S. 11.1% -5.1 pts
ZIP codes in Loma Mar
1 in or overlapping Loma Mar. Population shown
Cities near Loma Mar
| Name | Distance | Land area (sq mi) |
|---|---|---|
| PescaderoCensus-designated place | 4.1 mi | 4 |
| La HondaCensus-designated place | 4.2 mi | 4.3 |
| Portola ValleyTown | 8.3 mi | 9.1 |
| Palo AltoCity | 10 mi | 24.1 |
| WoodsideTown | 11 mi | 11.5 |
| LaderaCensus-designated place | 11 mi | 0.4 |
| Los Altos HillsTown | 11 mi | 9.1 |
| West Menlo ParkCensus-designated place | 13 mi | 0.5 |
| LoyolaCensus-designated place | 13 mi | 1.4 |
| Los AltosCity | 13 mi | 6.5 |
| StanfordCensus-designated place | 13 mi | 2.8 |
| Boulder CreekCensus-designated place | 13 mi | 7.5 |
| CupertinoCity | 14 mi | 11.3 |
| AthertonTown | 14 mi | 5 |
| Emerald Lake HillsCensus-designated place | 14 mi | 1.2 |
| Mountain ViewCity | 15 mi | 12 |
Frequently asked questions
- What county is Loma Mar, CA in?
- Loma Mar is in San Mateo County, California.
- What ZIP codes are in Loma Mar, CA?
- ZIP codes in or overlapping Loma Mar include 94021.
- What is the population of Loma Mar, CA?
- About 309 people live in Loma Mar, based on American Community Survey 5-year estimates.
- What cities are near Loma Mar?
- Nearby places include Pescadero (4.1 mi), La Honda (4.2 mi), Portola Valley (8.3 mi), Palo Alto (10 mi), Woodside (11 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023