Zip Code | City | Population |
|---|---|---|
| 01201 | Pittsfield | 45,188 |
| 01247 | North Adams | 15,279 |
| 01230 | Great Barrington | 9,095 |
| 01220 | Adams | 8,149 |
| 01267 | Williamstown | 8,142 |
| 01226 | Dalton | 6,332 |
| 01238 | Lee | 5,928 |
| 01240 | Lenox | 4,922 |
| 01225 | Cheshire | 3,239 |
| 01223 | Becket | 2,565 |
| 01235 | Hinsdale | 2,461 |
| 01237 | Lanesborough | 2,451 |
| 01257 | Sheffield | 2,230 |
| 01262 | Stockbridge | 1,785 |
| 01236 | Housatonic | 1,625 |
| 01270 | Windsor | 999 |
| 01254 | Richmond | 961 |
| 01266 | West Stockbridge | 952 |
| 01255 | Sandisfield | 931 |
| 01245 | Monterey | 828 |
| 01253 | Otis | 818 |
| 01259 | Southfield | 733 |
| 01222 | Ashley Falls | 623 |
| 01256 | Savoy | 620 |
| 01029 | East Otis | 527 |
| 01242 | Lenox Dale | 255 |
| 01264 | Tyringham | 207 |
| 01258 | South Egremont | 188 |
| 01343 | Drury | 167 |
| 01244 | Mill River | 158 |
| 01229 | Glendale | 125 |
| 01224 | Berkshire | 124 |
| 01260 | South Lee | 20 |