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Belmont, CA
City in San Mateo County, California. ZIP codes: 94002.
Population
27,337
Land area
4.6sq mi
People per sq mi
5,905
ZIP codes
1
Belmont and its ZIP codes
Belmont at a glance
- Belmont is about 23 times as dense as California as a whole.
- By population, it ranks 283rd among 1,570 cities and towns in California.
- The median household income is $205,297, about 2.1 times the California median of $99,122.
- A typical owner-occupied home is valued at more than $2,000,000 and median rent is $2,875 a month.
Local data for Belmont, CA
Counts from official public data
Housing and community stats
Belmont, CA, American Community Survey 2020-2024
Median household income
$205,297
Poverty rate
6.9%
Median home value
$2,000,000+
Median rent
$2,875/mo
Homeownership
54.8%
Bachelor's or higher
69.7%
Median age
39.8
Average commute
28.5 min
Largest reported origins and ancestries: Chinese Americans (3,499), German Americans (2,709), Indian Americans (2,187).
Economy and federal money
Jobs, pay, income and spending are for San Mateo County. PPP loans are for Belmont.
Unemployment rate
4.0%
Aug 2026, -0.3 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
PPP loans
$82.1M
906 loans, 7,100 jobs reported
How people get to work
Belmont, CA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone52.2%
- Carpooled6.1%
- Public transit4.7%
- Walked2.0%
- Bicycle0.5%
- Taxi, ride-hailing, motorcycle or other0.8%
- Worked from home33.7%
Average one-way commute: 28.5 minutes for people who do not work from home.
Environment and hazard risk
Belmont, 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
81° / 41°F
19.0 inches of rain a year
Health statistics
Share of adults in Belmont, CA, CDC PLACES estimates
Obesity
21.3%
U.S. 33.3% -12.0 pts
Diabetes
8.6%
U.S. 12.1% -3.5 pts
Smoking
6.9%
U.S. 12.8% -5.9 pts
Uninsured (18-64)
4.3%
U.S. 11.1% -6.8 pts
ZIP codes in Belmont
1 in or overlapping Belmont. Population shown
Cities near Belmont
| Name | Distance | Land area (sq mi) |
|---|---|---|
| San CarlosCity | 2.4 mi | 5.4 |
| San MateoCity | 2.6 mi | 12.1 |
| Baywood ParkCensus-designated place | 2.7 mi | 0.5 |
| HighlandsCensus-designated place | 2.7 mi | 1.3 |
| Foster CityCity | 3.2 mi | 3.8 |
| Emerald Lake HillsCensus-designated place | 3.9 mi | 1.2 |
| HillsboroughTown | 4.2 mi | 6.2 |
| Redwood CityCity | 5.3 mi | 19.3 |
| North Fair OaksCensus-designated place | 6 mi | 1.2 |
| BurlingameCity | 6.1 mi | 4.4 |
| AthertonTown | 6.8 mi | 5 |
| WoodsideTown | 7.2 mi | 11.5 |
| West Menlo ParkCensus-designated place | 7.6 mi | 0.5 |
| MillbraeCity | 8.1 mi | 3.3 |
| Half Moon BayCity | 8.2 mi | 6.2 |
| Menlo ParkCity | 8.4 mi | 10 |
Frequently asked questions
- What county is Belmont, CA in?
- Belmont is in San Mateo County, California.
- What ZIP codes are in Belmont, CA?
- ZIP codes in or overlapping Belmont include 94002.
- What is the population of Belmont, CA?
- About 27,337 people live in Belmont, based on American Community Survey 5-year estimates.
- What cities are near Belmont?
- Nearby places include San Carlos (2.4 mi), San Mateo (2.6 mi), Baywood Park (2.7 mi), Highlands (2.7 mi), Foster City (3.2 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023