Loma Mar is a community in San Mateo County, California, home to about 309 people across 1.7 square miles. Its ZIP code is 94021.
Mostly Loma Mar
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| Nearest major airport | Mineta San Jose International Airport (SJC)20 miles away |
|---|---|
| Nearest city of 250,000+ | San Jose, CA26 miles away |
| Nearest city of 1 million+ | Los Angeles, CA312 miles away |
Straight-line distances from the center of Loma Mar; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Loma Mar had 134 residents in the 2020 census, up 19% since 2010.
It’s the 1313th largest of 1,563 towns in California by population.
San Mateo County grew from 12,094 residents in 1900 to 764,442 in 2020.
San Mateo County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 72°F in summer, and winter lows average 40°F. About 30.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, San Gregorio 2 Se, CA weather station (5 miles away).
477,938 jobs at 21,569 businesses in San Mateo County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.