Postal Codes

94021 ZIP Code

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ZIP code 94021 covers Loma Mar, California.

Median age
51.112.4 points above the US average
Poverty rate
0%12.4 points below the US average
Median home value
$1,020,8001.5× the California median
Degree or higher
63.3%28.3 points above the US average
Homeownership
74.3%9.3 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
7

Where 94021 is

Loma Mar, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Median age51.1
Family households64.2%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)91.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)8.1%
Hispanic or Latino0%
Veterans0%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Income per person$121,262
Poverty rate0%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k0.0%
$50–60k0.0%
$60–75k0.0%
$75–100k8.8%
$100–125k9.5%
$125–150k0.0%
$150–200k16.2%
$200k or more65.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$1,020,800
Owner-occupied74.3%
Vacant homes7.5%
Median year built1938

What the homes are

Detached house100%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher63.3%
High school diploma or higher100%
Works from home6.2%
Drives to work alone79.5%
Takes public transport0%
Commutes 45 minutes or more59.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity27.8% 5.6 pts below the national average of 33.4%
Diagnosed diabetes10.6% 1.4 pts below the national average of 12%
Currently smokes11.6% 1.6 pts below the national average of 13.2%
High blood pressure33.4% 0.7 pts below the national average of 34.1%
Fair or poor general health19.9% same as the national average of 20.3%
No health insurance (18–64)6.4% 4.9 pts below the national average of 11.3%
Depression25.6% 3.7 pts above the national average of 21.9%
No leisure-time physical activity20.5% 4.9 pts below the national average of 25.4%
Arthritis28% 2.9 pts above the national average of 25.1%
Binge drinking15.5% 0.5 pts below the national average of 16%
Taking blood pressure medication74.8% same as the national average of 74.7%
Cancer (non-skin)10.2% 2.5 pts above the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease6.7% 0.5 pts above the national average of 6.2%
Routine check-up in past year73.2% 3.5 pts below the national average of 76.7%
Cholesterol screening88.9% 3 pts above the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening71.5% 7.2 pts above the national average of 64.3%
COPD7% same as the national average of 6.6%
Visited a dentist66.4% 5.1 pts above the national average of 61.3%
Any disability29.3% 1.4 pts below the national average of 30.7%
Lacks emotional support22.1% 2.7 pts below the national average of 24.8%
Food insecurity12.1% 5 pts below the national average of 17.1%
Received food stamps12.3% 2 pts below the national average of 14.3%
Hearing disability6.6% same as the national average of 6.7%
High cholesterol39% 2.8 pts above the national average of 36.2%
Housing insecurity10.3% 3.5 pts below the national average of 13.8%
Independent living disability8% same as the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness33% 1.4 pts below the national average of 34.4%
Mammography use77.4% 1.5 pts above the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability14.3% same as the national average of 14%
Poor physical health (14+ days)13.9% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat5.9% 2.9 pts below the national average of 8.8%
Sleeps under 7 hours27.9% 8.5 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost7.4% 5.6 pts below the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments7
People employed33
Annual payroll$1,389,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 99.4% of US census tracts
FEMA ratingVery High
Expected annual loss99.5 out of 100
Community resilience96.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide100Very High at its worst in this ZIP code
Drought99.6Relatively High at its worst in this ZIP code
Earthquake98.6Very High at its worst in this ZIP code
River flooding98.6Very High at its worst in this ZIP code
Wildfire98.4Relatively High at its worst in this ZIP code
Coastal flooding84.3Relatively Low at its worst in this ZIP code
Tsunami64.6Relatively Low at its worst in this ZIP code
Heat wave41.1Relatively Low at its worst in this ZIP code
Winter weather23.2Relatively Low at its worst in this ZIP code
Lightning19.3Very Low at its worst in this ZIP code
Strong wind10.4Very Low at its worst in this ZIP code
Tornado10.2Very Low at its worst in this ZIP code
Hail7.4Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$96,334$78,538
Income per person$121,262$47,977$43,289
Poverty rate0%12%12.4%
Median home value$1,020,800$695,400$303,400
Median gross rent$1,956$1,348
Homeownership74.3%55.8%65%
Bachelor's degree or higher63.3%36.5%35%
Unemployment rate0%6.4%5.2%
Works from home6.2%15.5%13.5%
Born outside the US0%26.7%13.9%
Median age51.137.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSAN GREGORIO 2 SE, CA US8.5 km away
Rain in a year30 in

Average high and low by month

January59.8°F / 40.2°F5.78 in rain
February60.4°F / 41.2°F6.17 in rain
March61.2°F / 41.5°F4.34 in rain
April62.4°F / 42.9°F2.32 in rain
May64°F / 46.1°F0.91 in rain
June66.9°F / 47.7°F0.44 in rain
July69.3°F / 51.7°F0.12 in rain
August70.5°F / 51.6°F0.16 in rain
September71.9°F / 49.2°F0.17 in rain
October68.8°F / 45.1°F1.26 in rain
November63.4°F / 41.3°F2.59 in rain
December59.3°F / 39.8°F6.13 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

La Honda-Pescadero Unified School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability42more vulnerable than 42% of US census tracts
Socioeconomic status26more vulnerable than 26% of US census tracts
Household characteristics16more vulnerable than 16% of US census tracts
Racial and ethnic minority status50more vulnerable than 50% of US census tracts
Housing type and transport85more vulnerable than 85% of US census tracts
Walkability5.3 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

94020 La Honda, CA2.8 km away
94074 San Gregorio, CA9 km away
94060 Pescadero, CA10.3 km away
94028 Portola Valley, CA12.4 km away
94026 Menlo Park, CA13.2 km away
94064 Redwood City, CA13.2 km away
94062 Redwood City, CA17.1 km away
95006 Boulder Creek, CA18.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

San Mateo County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area10.95 sq mi
Latitude, longitude37.2708, -122.2807

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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