Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Westfield (city), MA | 40,834 |
| 2 | Northampton (city), MA | 29,571 |
| 3 | West Springfield Town (city), MA | 28,835 |
| 4 | Huntington (CDP), MA | 857 |
| 5 | Russell (CDP), MA | 690 |
| 6 | Chester (CDP), MA | 552 |
| 7 | Blandford (CDP), MA | 363 |
| 8 | Easthampton (city), MA | 0 |