Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/MA/BELMONT

Belmont ZIP code, Massachusetts

The ZIP code for Belmont, MA is 02478, and its area codes are 617 and 857.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
27,175
Area codes
617, 857

Mail addressed to Belmont uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Belmont in numbers

About 27,175 people live in Belmont, in 10,412 households. The median household income is $183,137 a year, 76% above the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $1,159,000 (2.1 times the Massachusetts median), and median gross rent is $2,527 a month. The median age is 42.9; 80.9% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 29 minutes.

Population27,175Belmont27,175
Households10,412Belmont10,412
Median age42.9Belmont42.9Massachusetts40.0US 38.9
Median household income$183,137Belmont$183,137Massachusetts$103,960US $80,734
Median home value$1,159,000Belmont$1,159,000Massachusetts$562,100US $332,700
Median gross rent$2,527Belmont$2,527Massachusetts$1,762US $1,413
Bachelor's degree or higher80.9%Belmont80.9%Massachusetts47.3%US 35.7%
Mean commute29.3 minBelmont29.3 minMassachusetts29.1 minUS 26.4 min
Population density5,848 / sq miBelmont5,848 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Belmont CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Belmont

ZIP codes with the USPS city name Belmont
ZIP City Type Population Median income Median home
02478 Belmont , MA Standard 27,175 $183,137 $1,159,000

Other ZIP codes overlapping Belmont

These ZIP codes cover part of Belmont but are addressed as somewhere else.

ZIP codes overlapping Belmont
ZIP City Type Population Median income Median home
02138 Cambridge , MA Standard 38,509 $119,967 $1,212,400
02472 Watertown , MA Standard 35,620 $126,336 $784,600

Map of Belmont ZIP codes

02478

The ZIP codes of Belmont, MA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Belmont

The nearest larger towns are Watertown (35,543 people, 1.8 mi), Arlington (46,350 people, 1.8 mi) and Waltham (64,902 people, 3.2 mi).

Towns near Belmont
TownPopulationDistance
Watertown 35,543 1.8 mi
Arlington 46,350 1.8 mi
Waltham 64,902 3.2 mi
Cambridge 118,796 3.4 mi
Somerville 81,036 4.1 mi
Medford 59,354 4.1 mi
Lexington 34,295 4.3 mi
Winchester 23,406 4.4 mi
Newton 89,044 4.6 mi
Brookline 63,266 5.3 mi
Everett 50,045 6.5 mi
Woburn 41,939 6.6 mi
Malden 65,906 6.6 mi
Stoneham 23,355 6.9 mi

More nearby: every ZIP code in Middlesex County · Massachusetts ZIP codes

Cite this page

zipcodes.pro. “Belmont, MA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ma/belmont

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