Hampshire County, Massachusetts
County seat: Northampton · Population 164,065 (2025) · 527 sq mi
Hampshire County is the 10th most populous of Massachusetts's 14 counties, with 164,065 people (2025 estimate). Its county seat is Northampton. The map shows its 3 cities and towns and the 4 neighboring counties.
Hampshire County facts
- County seat
- Northampton
- Population (2025 estimate)
- 164,065 +1.1% since 2020
- Land area
- 527 sq mi 8th largest of 14
- Water area
- 18 sq mi
- Population density
- 311 per sq mi
- Established
- 1662
- Named after
- Hampshire ceremonial county of England
- Largest city
- Amherst Town 40,920
- Median household income
- $87,001
- Cities and towns
- 3 plus 5 CDPs
- ZIP codes
- 28
- Time zone
- Eastern
- FIPS code
- 25015
Cities and towns in Hampshire County
Hampshire County has 3 incorporated cities, towns and villages. Populations count the people living inside Hampshire County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Amherst Town | City | 40,920 | |
| Northampton (county seat) | City | 31,047 | |
| Easthampton | City | 15,851 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Ware | 6,369 | |
| Belchertown | 2,355 | |
| Hatfield | 1,449 | |
| Granby | 1,152 | |
| Huntington | 892 |
ZIP codes in Hampshire County
28 ZIP codes reach into Hampshire County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 01002 also Franklin County
- 01003
- 01007
- 01011 also Hampden County
- 01012
- 01026 also Berkshire County
- 01027
- 01032
- 01033
- 01035
- 01038
- 01039 also Franklin County
- 01050 also Hampden County
- 01053
- 01060
- 01062
- 01063
- 01066
- 01069 also Hampden County
- 01070 also Berkshire County
- 01073
- 01075
- 01082 also Worcester and Hampden counties
- 01084
- 01088
- 01096 also Franklin County
- 01098
- 01243
Population of Hampshire County, 2020–2025
Hampshire County grew by 1,750 people (+1.1%) between April 2020 and July 2025: 2,690 more deaths than births and a net gain of 8,924 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 148,597 |
| 2021 | 165,218 |
| 2022 | 165,193 |
| 2023 | 165,217 |
| 2024 | 164,679 |
| 2025 | 164,065 |
Neighboring counties
- Hampden County south · 464,338 people
- Franklin County north · 70,698 people
- Berkshire County west · 128,224 people
- Worcester County east · 888,502 people
Printable Hampshire County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (93 KB)
- PNG (2400 px) (82 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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