Zip Code | City | Population |
|---|---|---|
| 01002 | Amherst | 22,992 |
| 01027 | Easthampton | 17,711 |
| 01075 | South Hadley | 17,115 |
| 01007 | Belchertown | 15,368 |
| 01060 | Northampton | 14,724 |
| 01003 | Amherst | 11,989 |
| 01082 | Ware | 10,533 |
| 01062 | Florence | 9,491 |
| 01073 | Southampton | 6,185 |
| 01033 | Granby | 6,096 |
| 01035 | Hadley | 5,295 |
| 01050 | Huntington | 2,714 |
| 01096 | Williamsburg | 2,516 |
| 01038 | Hatfield | 2,469 |
| 01063 | Northampton | 2,089 |
| 01053 | Leeds | 1,885 |
| 01039 | Haydenville | 1,728 |
| 01026 | Cummington | 1,073 |
| 01098 | Worthington | 951 |
| 01088 | West Hatfield | 725 |
| 01070 | Plainfield | 571 |
| 01032 | Goshen | 484 |
| 01012 | Chesterfield | 440 |
| 01243 | Middlefield | 135 |
| 01066 | North Hatfield | 134 |
| 01084 | West Chesterfield | 99 |