Arlington, Massachusetts
| Arlington, Massachusetts | |
|---|---|
| Arlington Town Hall | |
| Motto(s): Libertatis Propugnatio Hereditas Avita (Latin) "The Defense of Liberty Is Our Ancestral Heritage" | |
| Location in Massachusetts | |
| Coordinates: 42°24′55″N 71°09′25″W / 42.41528°N 71.15694°W | |
| Country | United States | 
| State | Massachusetts | 
| County | Middlesex | 
| Settled | 1635 | 
| Incorporated | 1807 | 
| Renamed | 1867 | 
| Government | |
| • Type | Representative town meeting | 
| • Town Manager | Jim Feeney | 
| • Select Board | Stephen W. DeCourcey Lenard Diggins Eric D. Helmuth (chair) John V. Hurd Diane M. Mahon | 
| Area | |
|  • Total | 5.495 sq mi (14.235 km2) | 
| • Land | 5.048 sq mi (13.077 km2) | 
| • Water | 0.447 sq mi (1.158 km2) | 
| Elevation | 46 ft (14 m) | 
| Population  (2020) | |
|  • Total | 46,308 | 
| • Density | 9,173.53/sq mi (3,541.18/km2) | 
| Time zone | UTC−5 (Eastern) | 
| • Summer (DST) | UTC−4 (Eastern) | 
| ZIP Codes | 02474, 02476 | 
| Area code | 339 / 781 | 
| FIPS code | 25-01605 | 
| GNIS feature ID | 0619393 | 
| Website | www.arlingtonma.gov | 
Arlington is a town in Middlesex County, Massachusetts, United States. The town is six miles (10 km) northwest of Boston, and its population was 46,308 at the 2020 census.