Arlington, Massachusetts

Arlington is a town in Middlesex County, Massachusetts, United States, six miles (10 km) northwest of Boston. The population was 46,308 at the 2020 census.

Arlington, Massachusetts
Ice Harvesting on Spy Pond, from an 1854 Print.
Motto(s): 
Libertatis Propugnatio Hereditas Avita (Latin)
"The Defense of Liberty Is Our Ancestral Heritage"
Location in Massachusetts
Arlington
Location in Massachusetts
Arlington
Arlington (the United States)
Arlington
Arlington (North America)
Coordinates: 42°24′55″N 71°09′25″W
CountryUnited States
StateMassachusetts
CountyMiddlesex
Settled1635
Incorporated1807
Renamed1867
Government
  TypeRepresentative town meeting
  Town ManagerAdam Chapdelaine
  Select BoardDan Dunn, Interim
Stephen W. DeCourcey
Lenard Diggins
John V. Hurd
Diane M. Mahon
Area
  Total5.495 sq mi (14.235 km2)
  Land5.048 sq mi (13.077 km2)
  Water0.447 sq mi (1.158 km2)
Elevation
46 ft (14 m)
Population
 (2020)
  Total46,308
  Density9,173.53/sq mi (3,541.18/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (Eastern)
ZIP Codes
02474, 02476
Area code(s)339 / 781
FIPS code25-01605
GNIS feature ID0619393
Websitewww.arlingtonma.gov
Robbins Farm Park