Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Palmer Town (city), MA | 12,448 |
| 2 | Ware (CDP), MA | 6,266 |
| 3 | Spencer (CDP), MA | 5,810 |
| 4 | Belchertown (CDP), MA | 3,129 |
| 5 | Fiskdale (CDP), MA | 2,797 |
| 6 | North Brookfield (CDP), MA | 2,256 |
| 7 | Rutland (CDP), MA | 2,179 |
| 8 | West Brookfield (CDP), MA | 1,375 |
| 9 | Warren (CDP), MA | 1,333 |
| 10 | East Brookfield (CDP), MA | 1,292 |
| 11 | Barre (CDP), MA | 1,029 |
| 12 | Brookfield (CDP), MA | 824 |
| 13 | West Warren (CDP), MA | 721 |
| 14 | Petersham (CDP), MA | 225 |