Hampshire County | |
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Coordinates: 42°20′N 72°40′W / 42.34°N 72.66°W | |
Country | United States |
State | Massachusetts |
Founded | 1662 |
Named for | Hampshire, England |
Seat | Northampton |
Largest town | Amherst |
Area | |
• Total | 545 sq mi (1,410 km2) |
• Land | 527 sq mi (1,360 km2) |
• Water | 18 sq mi (50 km2) 3.3% |
Population (2020) | |
• Total | 162,308 |
• Density | 308.0/sq mi (118.9/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional districts | 1st, 2nd |
Hampshire County is a historical and judicial county located in the U.S. state of Massachusetts. As of the 2020 census, the population was 162,308.[1] Its most populous municipality is Amherst (due to seasonal student population; the largest year-round is Northampton), its largest town in terms of landmass is Belchertown, and its traditional county seat is Northampton.[2] The county is named after the county Hampshire, in England.[3] Hampshire County is part of the Springfield, MA Metropolitan Statistical Area. Together with Hampden County, Hampshire County municipalities belong to the Pioneer Valley Planning Commission.[4]