Belmont ZIP Code List — Middlesex County, MA

There is one unique ZIP code in Belmont, Massachusetts and it is 02478. Area code: 617/857.

ZIP codes

4.65

sq mi land

0.07

sq mi water

617/857

area code

Belmont, MA ZIP code map

About Belmont, MA

Belmont, Massachusetts, is a charming suburb located in Middlesex County. Known for its picturesque neighborhoods and strong community spirit, it offers a blend of residential tranquility and accessibility to urban amenities. With its historic character and friendly atmosphere, Belmont is a desirable place for families and individuals alike.

Location & geography

Belmont is situated approximately 6 miles west of downtown Boston and is bordered by several towns, including Waltham to the north and Watertown to the south. The town covers a total land area of 4.65 square miles, with a small water area of 0.07 square miles, contributing to its scenic parks and green spaces. The terrain is mostly flat, making it conducive for walking and cycling throughout its residential areas.

Community & economy

Belmont is characterized by its close-knit community and a rich array of local events and activities. The town boasts a vibrant mix of industries, including education and healthcare, with several schools and medical facilities prominent in the area. Daily life in Belmont reflects a blend of suburban comfort and an appreciation for the arts, with community events and local restaurants enhancing the cultural landscape.

Transportation

Major highways such as Route 2 and I-95 provide easy access to Belmont, connecting it to larger cities and regions. The nearest airport is Logan International Airport, located about 10 miles away in Boston, facilitating both domestic and international travel. Public transit options, including bus services and nearby commuter rail stations, offer convenient transportation for residents.

History

Founded in the mid-1800s, Belmont has a history tied to agriculture and the development of the railway, contributing to its transformation into a residential community. Over the years, the town has continued to evolve, with a focus on education and local businesses driving its growth. Notable events in its history include the establishment of the Belmont Town Hall and the dedication of its public library, reflecting the town's commitment to culture and civic engagement.

Did you know?

A surprising fact about Belmont is that it is home to the Belmont Hill School, an esteemed private preparatory school. Additionally, the town's commitment to preserving green spaces is evident in the establishment of several parks and conservation areas that enhance its natural beauty.

ZIP codes for Belmont, MA (1)

ZIP code	City	County	Map
02478	Belmont	Middlesex	View map

Demographics & statistics

26,964

Population

42.0

Median age

$164,720

Median household income

$88,807

Per capita income

$1,060,600

Median home value

$2,336

Median monthly rent

63.6%

Home ownership

3.9%

Poverty rate

4.7%

Unemployment

7,043

Housing units

79.6%

Bachelor's or higher

Age distribution

Male Female

648

Under 5

742

882

5–9

1,009

858

10–14

982

901

15–19

1,030

458

20–24

524

1,221

25–34

1,397

1,922

35–44

2,199

1,853

45–54

2,120

892

55–59

1,020

727

60–64

832

1,289

65–74

1,474

651

75–84

744

275

85+

314

← Male

Female →

Age summary

Group	Count	%
Under 18	6,555	24.3%
18 and over	20,409	75.7%
65 and over	4,747	17.6%
Median age	42.0 years

Race & ethnicity

White 70%

Asian 17.5%

Two or more races 6.3%

Hispanic or Latino 3.4%

Black or African American 1.6%

Other race 1.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	19,542	70%
Asian	4,881	17.5%
Two or more races	1,751	6.3%
Hispanic or Latino	937	3.4%
Black or African American	440	1.6%
Other race	336	1.2%
American Indian / Alaska Native	14	0.1%

Household income

Under $10k 3.8%

$10k–$15k 1.0%

$15k–$25k 3.6%

$25k–$35k 1.9%

$35k–$50k 4.4%

$50k–$75k 7.7%

$75k–$100k 6.4%

$100k–$150k 16.5%

$150k–$200k 13.4%

$200k+ 41.3%

Range	% of households
Under $10k	3.8%
$10k–$15k	1.0%
$15k–$25k	3.6%
$25k–$35k	1.9%
$35k–$50k	4.4%
$50k–$75k	7.7%
$75k–$100k	6.4%
$100k–$150k	16.5%
$150k–$200k	13.4%
$200k+	41.3%
Median income	$164,720

Housing

Home values

Under $50k 0.5%

$100k–$150k 0.2%

$150k–$200k 0.2%

$200k–$300k 0.3%

$300k–$500k 4.1%

$500k–$1M 38.4%

$1M+ 56.2%

Housing overview

Metric	Value
Median home value	$1,060,600
Median rent / month	$2,336
Owner occupied	63.6%
Renter occupied	36.4%
Vacant	3.9%
Single-family detached	45.8%
Large apartment buildings	6.8%
Mobile homes	0.0%
Median rooms	6.5
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.5%
2010–2019	5.1%
2000–2009	2.3%
1990–1999	1.1%
1980–1989	2.4%
1970–1979	4.0%
1960–1969	6.8%
1950–1959	10.1%
1940–1949	9.2%
1939 or earlier	58.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	7.9%
2 bedrooms	30.5%
3 bedrooms	29.8%
4 bedrooms	22.7%
5+ bedrooms	8.2%

Vehicles per household

Vehicles	% of households
No vehicle	7.9%
1 vehicle	37.7%
2 vehicles	45.2%
3 or more	9.3%

Heating fuel

Fuel type	%
Utility gas	69.5%
Electricity	9.5%
Propane / LP gas	1.8%
Fuel oil	18.5%
Wood	0.1%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	6,539	62.8%
Cohabiting couple	414	4.0%
Male householder, no spouse	1,064	10.2%
Female householder, no spouse	2,397	23.0%
Households with children under 18	4,096	39.3%
Households with seniors (65+)	3,336	32.0%
Average household size	2.57

Marital status

Status	Male	Female
Never married	25.3%	25.5%
Married	68.2%	58.7%
Separated	0.5%	0.9%
Widowed	2.0%	8.2%
Divorced	4.0%	6.8%

Education

Less than 9th grade 1.3%

Some HS, no diploma 1.3%

HS graduate 8.0%

Some college, no degree 5.9%

Associate's degree 3.9%

Bachelor's degree 27.9%

Graduate / professional 51.7%

Metric	%
HS diploma or higher	97.4%
Bachelor's or higher	79.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	660	8.7%
Kindergarten	449	5.9%
Elementary school	2,927	38.6%
High school	1,821	24.0%
College / grad school	1,723	22.7%

Employment

Industry of employment

Professional & management 28.1%

Education & healthcare 28.1%

Manufacturing 10.2%

Finance & real estate 8.2%

Retail trade 6.7%

Arts, food & hospitality 5.1%

Information 3.1%

Public administration 3.0%

Other services 2.8%

Construction 2.7%

Transportation & utilities 1.1%

Wholesale trade 0.9%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	75.7%
Service	5.6%
Sales & office	13.8%
Natural resources & construction	2.3%
Production & transportation	2.6%

Employment type

Type	%
Private sector	84.7%
Government	8.6%
Self-employed	6.5%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	50.5%
Carpool	6.6%
Public transit	12.3%
Walk	2.5%
Other means	3.3%
Avg commute (minutes)	30.0

Poverty

All people 3.9%

Under 18 years 2.8%

18 and over 4.2%

Married-couple families 1.3%

Female-led households 10.1%

Income support

Source	% of households
Social Security	23.7%
Retirement income	20.6%
Supplemental Security	1.7%
Cash public assistance	2.1%
Food stamps / SNAP	3.7%

Health indicators

Condition	%
High blood pressure	26.3%
High cholesterol	30.0%
Heart disease	4.7%
Stroke	2.1%
Asthma	9.3%
Arthritis	20.8%
Kidney disease	2.4%
Pulmonary disease	3.7%
Cancer	7.5%

Behavior / access	%
Binge drinking	15.4%
No physical activity	13.4%
Less than 7 hrs sleep	26.3%
Fair or poor health	7.0%
Poor mental health	10.8%
Poor physical health	6.3%
No health insurance	4.0%
Visited doctor (checkup)	77.4%
Visited dentist	79.9%
Cholesterol screening	93.8%
Teeth loss	6.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	504	2.5%

Disability	%
Any disability	7.4%
Under 18	4.2%
18–64 years	3.7%
65 and over	24.4%

Health insurance coverage

Type	%
Private insurance	87.6%
Public insurance	22.7%
Uninsured under 19	1.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	25,574	94.8%
Spanish	2,127	8.3%
Other Indo-European	157	0.6%
Asian & Pacific Islander	683	2.7%
Other languages	1,238	4.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	20,080	74.5%
Born in same state	19,620	72.8%
Born in different state	12,087	44.8%
Foreign born	460	1.7%
Naturalized citizen	6,884	25.5%
Not a US citizen	3,712	53.9%

Ancestry

Ancestry	Count	%
Italian	4,311	16%
French	3,482	12.9%
German	443	1.6%
Arab	434	1.6%
Irish	253	0.9%

Ancestry	Count	%
Norwegian	251	0.9%
Polish	188	0.7%
English	172	0.6%
Dutch	85	0.3%

Technology access

Metric	% of households
Computer access	38.6%
Internet access	96.2%

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

Frequently asked questions

What ZIP codes does Belmont, MA have?

Belmont, MA has one ZIP code: 02478. Each ZIP code serves a distinct delivery area within the city and surrounding region.