Belmont, Massachusetts

Belmont, Massachusetts
Looking north on Leonard Street in the town center
Motto: 
"The Town of Homes"
Location in Middlesex County in Massachusetts
Coordinates: 42°23′45″N 71°10′45″W / 42.39583°N 71.17917°W / 42.39583; -71.17917
CountryUnited States
StateMassachusetts
CountyMiddlesex
Settled1636
Incorporated1859
Government
 • TypeRepresentative town meeting
 • Town AdministratorPatrice Garvin
Area
 • Total
4.7 sq mi (12.2 km2)
 • Land4.7 sq mi (12.1 km2)
 • Water0.039 sq mi (0.1 km2)
Elevation
43 ft (13 m)
Population
 (2020)
 • Total
27,295
 • Density5,840/sq mi (2,260/km2)
Time zoneUTC-5 (Eastern)
 • Summer (DST)UTC-4 (Eastern)
ZIP Code
02478
Area code617 / 857
FIPS code25-05070
GNIS feature ID0618216
Websitewww.belmont-ma.gov

Belmont is a town in Middlesex County, Massachusetts, United States. It is a western suburb of Boston and is part of the Greater Boston metropolitan area. As of the 2020 U.S. census, its population was 27,295, an increase of 10.4% from 2010.