| ZIP Codes: | 30 ZIP Codes (26 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Codes: | 351 / 413 / 978 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:53:45 PM |
| Population: | 70,136 [See All] |
| FIPS: | 25011 |
| CBSA: | Greenfield, MA |
| Land Area: | 705 sq mi |
| Water Area: | 25 sq mi |
| Coordinates: | 42.5791, -72.5853 |
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70,136 residents live across 30 ZIPs covering 705 sq mi, served by 29 distinct USPS-recognized cities.
Population moved from 70,788 to 70,100 from 2014 to 2024 — a -1.0% change. 13 ZIPs gained residents, 15 lost.
The county's wealthiest ZIP 01346 (Heath, $113,650 median) and poorest ZIP 01364 (Orange, $55,532) are 25.8 miles apart — a 2.0× income gap across local geography.
Median home values vary 1.8× across this county — from $247,800 in 01364 (Orange) to $458,100 in 01375 (Sunderland).
Density varies 66× across the county — from 16 people/sq mi in 01355 (New Salem) to 1,031 in 01376 (Turners Falls).
Educational attainment ranges from 15.7% bachelor's+ in 01364 (Orange) to 68.3% in 01342 (Deerfield) — the breadth of educational profiles across the area.
Within Massachusetts, this is the #12 most populous of 14 counties and ranks #13 for median household income .
Weighted by population, the typical household earns about $74,936 across the county — reflecting what a typical resident sees, not a simple ZIP average.
40.2% of adults age 25+ hold a bachelor's degree or higher (21,576 of 53,730 reporting).
26 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.
4 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 01301 | Greenfield | Standard | 17,876 | $56,176 | 25.5 | 0.8% |
| 01364 | Orange | Standard | 7,658 | $55,532 | 36.6 | -3.5% |
| 01376 | Turners Falls | Standard | 4,976 | $55,652 | 4.8 | -9.7% |
| 01373 | South Deerfield | Standard | 4,860 | $106,413 | 24.9 | 10.3% |
| 01370 | Shelburne Falls | Standard | 3,878 | $81,008 | 50.2 | -6.4% |
| 01375 | Sunderland | Standard | 3,641 | $68,083 | 15.6 | -1.1% |
| 01360 | Northfield | Standard | 2,872 | $103,375 | 35.7 | -5.2% |
| 01351 | Montague | Standard | 2,636 | $98,229 | 20.8 | 21.6% |
| 01337 | Bernardston | Standard | 2,589 | $85,045 | 37.8 | 0.5% |
| 01340 | Colrain | Standard | 1,759 | $78,804 | 48.4 | 4.3% |
| 01354 | Gill | Standard | 1,740 | $90,208 | 14.8 | 10.6% |
| 01330 | Ashfield | Standard | 1,704 | $83,493 | 34.8 | 6.8% |
| 01344 | Erving | Standard | 1,703 | $77,656 | 14.4 | 9.4% |
| 01341 | Conway | Standard | 1,622 | $97,417 | 32.3 | 2.5% |
| 01054 | Leverett | Standard | 1,608 | $104,688 | 22.4 | -12.4% |
| 01072 | Shutesbury | Standard | 1,521 | $111,667 | 22.7 | 2.6% |
| 01339 | Charlemont | Standard | 1,313 | $68,365 | 63.1 | -13.3% |
| 01342 | Deerfield | Standard | 1,267 | $109,205 | 18.6 | -19.7% |
| 01355 | New Salem | Standard | 958 | $82,713 | 61.0 | -2.3% |
| 01379 | Wendell | Standard | 778 | $59,583 | 28.6 | -10.9% |
| 01378 | Warwick | Standard | 776 | $93,333 | 35.6 | 12.5% |
| 01349 | Millers Falls | Standard | 741 | $75,033 | 9.3 | -16.6% |
| 01367 | Rowe | Standard | 563 | $72,813 | 25.4 | -1.1% |
| 01346 | Heath | Standard | 454 | $113,650 | 14.1 | -2.6% |
| 01093 | Whately | PO Box | 225 | $110,909 | 4.0 | -20.2% |
| 01347 | Lake Pleasant | PO Box | 165 | $72,467 | 0.1 | 28.9% |
| 01350 | Monroe Bridge | PO Box | 122 | — | 1.9 | 3.4% |
| 01338 | Buckland | Standard | 95 | $50,521 | 1.3 | -54.5% |
| 01380 | Wendell Depot | Standard | 36 | $73,472 | 0.1 | — |
| 01302 | Greenfield | PO Box | — | — | 0.0 | — |