Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Worcester (city), MA | 206,518 |
| 2 | Framingham (city), MA | 72,362 |
| 3 | Marlborough (city), MA | 41,793 |
| 4 | Milford (CDP), MA | 26,971 |
| 5 | Hudson (CDP), MA | 15,749 |
| 6 | Webster (CDP), MA | 12,194 |
| 7 | Clinton (CDP), MA | 8,166 |
| 8 | Whitinsville (CDP), MA | 6,750 |
| 9 | Northborough (CDP), MA | 6,474 |
| 10 | Oxford (CDP), MA | 5,928 |
| 11 | Spencer (CDP), MA | 5,810 |
| 12 | Westborough (CDP), MA | 4,255 |
| 13 | Hopedale (CDP), MA | 3,939 |
| 14 | Upton (CDP), MA | 3,090 |
| 15 | Fiskdale (CDP), MA | 2,797 |
| 16 | Cordaville (CDP), MA | 2,703 |
| 17 | East Douglas (CDP), MA | 2,702 |
| 18 | Hopkinton (CDP), MA | 2,651 |
| 19 | Sturbridge (CDP), MA | 2,385 |