Franklin County, Massachusetts
County seat: Greenfield · Population 70,698 (2025) · 699 sq mi
Franklin County is the 12th most populous of Massachusetts's 14 counties, with 70,698 people (2025 estimate). Its county seat is Greenfield. The map shows its 1 city or town and the 6 neighboring counties.
Franklin County facts
- County seat
- Greenfield
- Population (2025 estimate)
- 70,698 −0.5% since 2020
- Land area
- 699 sq mi 4th largest of 14
- Water area
- 25 sq mi
- Population density
- 101 per sq mi
- Established
- 1811
- Same name
- One of 24 Franklin Counties in the US
- Named after
- Benjamin Franklin American polymath and statesman (1706–1790)
- Largest city
- Greenfield 17,691
- Median household income
- $74,907
- Cities and towns
- 1 plus 7 CDPs
- ZIP codes
- 33
- Time zone
- Eastern
- FIPS code
- 25011
Cities and towns in Franklin County
Franklin County has 1 incorporated place. Populations count the people living inside Franklin County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Greenfield (county seat) | City | 17,691 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Turners Falls | 4,124 | |
| Orange | 3,737 | |
| South Deerfield | 1,882 | |
| Shelburne Falls | 1,845 | |
| Northfield | 1,070 | |
| Millers Falls | 1,054 | |
| Deerfield | 458 |
ZIP codes in Franklin County
33 ZIP codes reach into Franklin County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 01002 also Hampshire County
- 01039 also Hampshire County
- 01054
- 01072
- 01093
- 01096 also Hampshire County
- 01301
- 01330
- 01331 also Worcester County
- 01337
- 01338
- 01339
- 01340
- 01341
- 01342
- 01344
- 01346
- 01347
- 01349
- 01350
- 01351
- 01354
- 01355
- 01360
- 01364
- 01367
- 01370
- 01373
- 01375
- 01376
- 01378
- 01379
- 01380
Population of Franklin County, 2020–2025
Franklin County shrank by 331 people (−0.5%) between April 2020 and July 2025: 1,588 more deaths than births and a net gain of 1,290 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 70,938 |
| 2021 | 71,059 |
| 2022 | 71,058 |
| 2023 | 70,858 |
| 2024 | 70,911 |
| 2025 | 70,698 |
Neighboring counties
- Hampshire County south · 164,065 people
- Worcester County southeast · 888,502 people
- Windham County, Vermont north · 45,204 people
- Berkshire County southwest · 128,224 people
- Cheshire County, New Hampshire northeast · 78,269 people
- Bennington County, Vermont northwest · 36,630 people
Printable Franklin 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) (108 KB)
- PNG (2400 px) (90 KB)
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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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