State: Massachusetts
County: Hampshire
| ZIP | TOWN/CITY | POPULATION | POP FOR GROUP |
| 01003 | Amherst | 184 | 124,568 |
| 01004 | Amherst | 794 | |
| 01002 | Amherst | 16,570 | |
| 01007 | Belchertown | 14,180 | |
| 01012 | Chesterfield | 610 | |
| 01026 | Cummington | 890 | |
| 01027 | Easthampton | 16,320 | |
| 01062 | Florence | 10,090 | |
| 01032 | Goshen | 470 | |
| 01033 | Granby | 5,890 | |
| 01035 | Hadley | 4,620 | |
| 01038 | Hatfield | 2,280 | |
| 01039 | Haydenville | 1,240 | |
| 01050 | Huntington | 2,270 | |
| 01053 | Leeds | 1,520 | |
| 01243 | Middlefield | 315 | |
| 01059 | North Amherst | 70 | |
| 01066 | North Hatfield | 402 | |
| 01063 | Northampton | 177 | |
| 01061 | Northampton | 469 | |
| 01060 | Northampton | 11,260 | |
| 01070 | Plainfield | 540 | |
| 01075 | South Hadley | 14,590 | |
| 01073 | Southampton | 5,980 | |
| 01082 | Ware | 8,840 | |
| 01084 | West Chesterfield | 137 | |
| 01088 | West Hatfield | 490 | |
| 01096 | Williamsburg | 2,310 | |
| 01098 | Worthington | 1,060 |