| ZIP Codes: | 38 ZIP Codes (26 Standard, 11 PO Box, 1 Unique) [See All] |
| Area Code: | 413 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:27 PM |
| Population: | 129,291 [See All] |
| FIPS: | 25003 |
| CBSA: | Pittsfield, MA |
| Land Area: | 959 sq mi |
| Water Area: | 19 sq mi |
| Coordinates: | 42.3475, -73.2302 |
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129,291 residents live across 38 ZIPs covering 959 sq mi, served by 34 distinct USPS-recognized cities.
Population moved from 130,064 to 129,291 from 2014 to 2024 — a -0.6% change. 16 ZIPs gained residents, 17 lost.
The county's wealthiest ZIP 01259 (Southfield, $158,125 median) and poorest ZIP 01247 (North Adams, $52,330) are 43.1 miles apart — a 3.0× income gap across local geography.
Median home values vary 3.1× across this county — from $205,200 in 01247 (North Adams) to $629,900 in 01245 (Monterey).
Density varies 43× across the county — from 18 people/sq mi in 01255 (Sandisfield) to 783 in 01201 (Pittsfield).
Educational attainment ranges from 24.5% bachelor's+ in 01220 (Adams) to 69.7% in 01254 (Richmond) — the breadth of educational profiles across the area.
Within Massachusetts, this is the #11 most populous of 14 counties and ranks #11 for median household income .
Hosts 1 single-entity Unique ZIP: 01263Assoc Of Marian Helpers .
Weighted by population, the typical household earns about $79,793 across the county — reflecting what a typical resident sees, not a simple ZIP average.
40.0% of adults age 25+ hold a bachelor's degree or higher (38,369 of 95,999 reporting).
26 Standard delivery, 11 PO Box only, 1 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.
Median household income spans 3.0× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 01201 | Pittsfield | Standard | 44,848 | $71,093 | 57.3 | -1.6% |
| 01247 | North Adams | Standard | 14,794 | $52,330 | 53.9 | -6.7% |
| 01267 | Williamstown | Standard | 9,633 | $106,375 | 59.9 | 21.8% |
| 01230 | Great Barrington | Standard | 8,826 | $86,694 | 97.3 | 8.3% |
| 01220 | Adams | Standard | 8,074 | $58,929 | 21.6 | -5.4% |
| 01226 | Dalton | Standard | 6,256 | $79,438 | 16.1 | -9.9% |
| 01238 | Lee | Standard | 5,944 | $84,591 | 33.7 | -4.8% |
| 01240 | Lenox | Standard | 5,111 | $107,826 | 31.4 | 6.0% |
| 01225 | Cheshire | Standard | 3,216 | $69,803 | 28.8 | 5.2% |
| 01223 | Becket | Standard | 2,495 | $86,818 | 72.3 | 6.8% |
| 01235 | Hinsdale | Standard | 2,489 | $79,327 | 57.5 | -14.3% |
| 01257 | Sheffield | Standard | 2,348 | $102,788 | 34.3 | 9.7% |
| 01237 | Lanesborough | Standard | 2,302 | $90,898 | 54.9 | -15.8% |
| 01262 | Stockbridge | PO Box | 1,778 | $145,750 | 15.5 | 33.0% |
| 01236 | Housatonic | Standard | 1,458 | $111,250 | 6.6 | -7.4% |
| 01254 | Richmond | Standard | 1,036 | $125,893 | 14.5 | -0.7% |
| 01270 | Windsor | Standard | 1,036 | $116,375 | 37.2 | 35.2% |
| 01266 | West Stockbridge | Standard | 1,000 | $100,417 | 24.7 | -32.9% |
| 01255 | Sandisfield | Standard | 994 | $91,111 | 54.8 | 10.9% |
| 01253 | Otis | Standard | 936 | $116,806 | 22.6 | 37.0% |
| 01256 | Savoy | Standard | 795 | $61,328 | 37.7 | 13.1% |
| 01245 | Monterey | Standard | 692 | $136,875 | 25.2 | -14.3% |
| 01259 | Southfield | Standard | 688 | $158,125 | 24.2 | 27.4% |
| 01222 | Ashley Falls | Standard | 664 | $71,042 | 4.5 | -18.1% |
| 01029 | East Otis | PO Box | 539 | $107,679 | 12.1 | -23.1% |
| 01244 | Mill River | PO Box | 271 | $75,833 | 4.7 | 81.9% |
| 01229 | Glendale | PO Box | 263 | — | 2.3 | 100.8% |
| 01224 | Berkshire | Standard | 228 | $76,222 | 0.5 | -5.8% |
| 01258 | South Egremont | PO Box | 193 | $142,500 | 22.5 | -42.2% |
| 01264 | Tyringham | PO Box | 188 | $93,750 | 14.5 | 20.5% |
| 01343 | Drury | Standard | 147 | $69,375 | 11.7 | 104.2% |
| 01242 | Lenox Dale | PO Box | 29 | — | 0.5 | -84.9% |
| 01260 | South Lee | PO Box | 20 | — | 4.0 | -91.9% |
| 01263 | Stockbridge | Unique | — | — | 0.0 | — |
| 01252 | North Egremont | Standard | — | — | 0.0 | — |
| 01203 | Pittsfield | PO Box | — | — | 0.0 | — |
| 01202 | Pittsfield | PO Box | — | — | 0.0 | — |
| 01227 | Dalton | PO Box | — | — | 0.0 | — |