Belmont ZIP Codes — San Mateo County, CA

There is one unique ZIP code in Belmont, California and it is 94002. Area code: 650.

ZIP codes

5.62

sq mi land

0.01

sq mi water

650

area code

Belmont, CA ZIP code map

About Belmont, CA

Belmont, California, is a charming city located in the San Mateo County region. Known for its scenic views and vibrant community, Belmont offers a mix of suburban tranquility and easy access to the bustling Bay Area. The city is home to a variety of parks, schools, and local businesses that contribute to its welcoming atmosphere.

Location & geography

Belmont is situated on the San Francisco Peninsula, approximately 25 miles south of San Francisco and about 15 miles northwest of San Jose. The city is bordered by San Carlos to the north, Redwood City to the east, and Foster City to the west. Covering a total land area of 5.62 square miles, Belmont also features a minimal water area of 0.01 square miles, contributing to its lush, green terrain.

Community & economy

Belmont's character is defined by its friendly neighborhoods, strong community engagement, and a commitment to preserving its natural beauty. The local economy includes a mix of small businesses, technology firms, and educational institutions, providing residents with a variety of job opportunities. Daily life in Belmont is enriched by its community events, parks, and recreational activities that cater to all ages.

Transportation

Transportation in Belmont is facilitated by major highways, including Interstate 101, which connects the city to San Francisco and San Jose. The nearest airport is San Carlos Airport, while San Francisco International Airport is just a short drive away for longer flights. Public transit options are available through Caltrain and local bus services, ensuring residents can easily reach neighboring cities.

History

Belmont was incorporated in 1926 and initially developed as a residential community. Key industries have evolved over the years, with a focus on education, technology, and retail. Notable events in Belmont's history include the establishment of its many parks and community facilities, which have been central to community life.

Did you know?

One surprising fact about Belmont is that it was once home to the University of California's Agriculture and Natural Resources Research and Extension Center, which played a significant role in local agriculture. Additionally, Belmont is known for its beautiful views of San Francisco Bay and the surrounding hills, making it a picturesque location for residents and visitors alike.

ZIP codes for Belmont, CA (1)

ZIP code	City	County	Map
94002	Belmont	San Mateo	View map

Demographics & statistics

27,893

Population

40.9

Median age

$184,929

Median household income

$92,721

Per capita income

$2,000,000

Median home value

$2,837

Median monthly rent

56.6%

Home ownership

6.9%

Poverty rate

6.5%

Unemployment

6,873

Housing units

68.3%

Bachelor's or higher

Age distribution

Male Female

736

Under 5

693

812

5–9

766

1,000

10–14

943

1,015

15–19

956

416

20–24

392

1,845

25–34

1,738

2,346

35–44

2,211

2,294

45–54

2,162

1,009

55–59

951

860

60–64

811

1,103

65–74

1,040

597

75–84

563

326

85+

308

← Male

Female →

Age summary

Group	Count	%
Under 18	6,395	22.9%
18 and over	21,498	77.1%
65 and over	3,937	14.1%
Median age	40.9 years

Race & ethnicity

White 48.8%

Asian 27%

Two or more races 8.2%

Hispanic or Latino 7.7%

Other race 5%

Black or African American 1.9%

Native Hawaiian / Pacific Islander 1.2%

American Indian / Alaska Native 0.3%

Group	Count	%
White	14,740	48.8%
Asian	8,150	27%
Two or more races	2,487	8.2%
Hispanic or Latino	2,332	7.7%
Other race	1,499	5%
Black or African American	587	1.9%
Native Hawaiian / Pacific Islander	348	1.2%
American Indian / Alaska Native	82	0.3%

Household income

Under $10k 2.5%

$10k–$15k 3.5%

$15k–$25k 3.3%

$25k–$35k 2.8%

$35k–$50k 3.0%

$50k–$75k 7.2%

$75k–$100k 5.3%

$100k–$150k 13.3%

$150k–$200k 11.1%

$200k+ 48.0%

Range	% of households
Under $10k	2.5%
$10k–$15k	3.5%
$15k–$25k	3.3%
$25k–$35k	2.8%
$35k–$50k	3.0%
$50k–$75k	7.2%
$75k–$100k	5.3%
$100k–$150k	13.3%
$150k–$200k	11.1%
$200k+	48.0%
Median income	$184,929

Housing

Home values

Under $50k 1.2%

$50k–$100k 0.2%

$100k–$150k 0.1%

$150k–$200k 0.2%

$200k–$300k 0.6%

$300k–$500k 0.3%

$500k–$1M 6.4%

$1M+ 91.1%

Housing overview

Metric	Value
Median home value	$2,000,000
Median rent / month	$2,837
Owner occupied	56.6%
Renter occupied	43.4%
Vacant	6.3%
Single-family detached	54.1%
Large apartment buildings	22.1%
Mobile homes	0.4%
Median rooms	4.9
Avg household size (owned)	2.77

Year built

Era	%
2020 or later	0.0%
2010–2019	2.7%
2000–2009	3.7%
1990–1999	6.6%
1980–1989	5.9%
1970–1979	21.3%
1960–1969	28.3%
1950–1959	21.5%
1940–1949	7.4%
1939 or earlier	2.6%

Bedrooms

Size	% of units
No bedroom (studio)	4.9%
1 bedroom	19.3%
2 bedrooms	22.5%
3 bedrooms	33.3%
4 bedrooms	15.8%
5+ bedrooms	4.1%

Vehicles per household

Vehicles	% of households
No vehicle	6.4%
1 vehicle	29.5%
2 vehicles	43.9%
3 or more	20.2%

Heating fuel

Fuel type	%
Utility gas	64.7%
Electricity	30.8%
Propane / LP gas	3.0%
Wood	0.4%
Solar	0.3%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	6,500	59.9%
Cohabiting couple	716	6.6%
Male householder, no spouse	1,715	15.8%
Female householder, no spouse	1,923	17.7%
Households with children under 18	3,894	35.9%
Households with seniors (65+)	2,496	23.0%
Average household size	2.50

Marital status

Status	Male	Female
Never married	31.9%	26.0%
Married	58.4%	57.7%
Separated	1.8%	0.6%
Widowed	1.6%	5.4%
Divorced	6.3%	10.3%

Education

Less than 9th grade 2.2%

Some HS, no diploma 1.6%

HS graduate 8.3%

Some college, no degree 12.4%

Associate's degree 7.1%

Bachelor's degree 35.2%

Graduate / professional 33.1%

Metric	%
HS diploma or higher	96.1%
Bachelor's or higher	68.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	551	7.7%
Kindergarten	345	4.8%
Elementary school	2,901	40.6%
High school	1,608	22.5%
College / grad school	1,734	24.3%

Employment

Industry of employment

Professional & management 29.3%

Education & healthcare 18.7%

Manufacturing 10.3%

Retail trade 7.2%

Information 7.0%

Arts, food & hospitality 6.2%

Finance & real estate 6.1%

Construction 4.0%

Other services 3.4%

Transportation & utilities 3.2%

Public administration 2.8%

Wholesale trade 1.5%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	72.7%
Service	8.4%
Sales & office	12.1%
Natural resources & construction	2.8%
Production & transportation	4.1%

Employment type

Type	%
Private sector	84.2%
Government	9.6%
Self-employed	6.1%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	57.3%
Carpool	5.1%
Public transit	5.7%
Walk	2.3%
Other means	1.6%
Avg commute (minutes)	29.0

Poverty

All people 6.9%

Under 18 years 5.3%

18 and over 7.4%

Married-couple families 4.1%

Female-led households 9.0%

Income support

Source	% of households
Social Security	20.5%
Retirement income	20.0%
Supplemental Security	3.8%
Cash public assistance	3.5%
Food stamps / SNAP	5.0%

Health indicators

Condition	%
High blood pressure	24.2%
High cholesterol	31.0%
Heart disease	4.4%
Stroke	2.0%
Asthma	8.4%
Arthritis	18.2%
Kidney disease	2.2%
Pulmonary disease	3.9%
Cancer	6.4%

Behavior / access	%
Binge drinking	17.7%
No physical activity	13.5%
Less than 7 hrs sleep	27.3%
Fair or poor health	8.6%
Poor mental health	11.4%
Poor physical health	6.8%
No health insurance	6.7%
Visited doctor (checkup)	67.6%
Visited dentist	76.1%
Cholesterol screening	93.4%
Teeth loss	5.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	682	3.2%

Disability	%
Any disability	8.1%
Under 18	2.0%
18–64 years	5.9%
65 and over	29.0%

Health insurance coverage

Type	%
Private insurance	86.9%
Public insurance	23.4%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	26,464	94.9%
Spanish	2,006	7.6%
Other Indo-European	423	1.6%
Asian & Pacific Islander	396	1.5%
Other languages	1,065	4.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,595	70.3%
Born in same state	19,131	68.6%
Born in different state	13,668	49.0%
Foreign born	464	1.7%
Naturalized citizen	8,298	29.7%
Not a US citizen	4,861	58.6%

Ancestry

Ancestry	Count	%
Italian	2,278	8.2%
French	1,958	7%
Arab	805	2.9%
English	389	1.4%
Dutch	176	0.6%

Ancestry	Count	%
Polish	154	0.6%
Irish	85	0.3%
German	48	0.2%
Norwegian	23	0.1%

Technology access

Metric	% of households
Computer access	38.9%
Internet access	96.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Belmont, CA have?

Belmont, CA has one ZIP code: 94002. Each ZIP code serves a distinct delivery area within the city and surrounding region.