United States Senate special election in Massachusetts, 2010 By municipality By municipality

| Municipality | Coakley_votes | Coakley_ | Brown_votes | Brown_ | Kennedy_votes | Kennedy_ | Total_vote | Turnout_ |
|---|---|---|---|---|---|---|---|---|
| Chester | 194 | 39.0% | 292 | 58.6% | 12 | 2.4% | 498 | 54% |
| Chesterfield | 264 | 51.8% | 242 | 47.5% | 4 | 0.8% | 510 | 59% |
| Chicopee | 7043 | 44.8% | 8339 | 53.1% | 334 | 2.1% | 15716 | 46% |
| Chilmark | 364 | 70.7% | 141 | 27.4% | 10 | 1.9% | 515 | 59% |
| Clarksburg | 395 | 67.3% | 186 | 31.7% | 6 | 1.0% | 587 | 52% |
| Clinton | 1661 | 37.4% | 2724 | 61.3% | 59 | 1.3% | 4444 | 47% |
| Cohasset | 1419 | 37.0% | 2401 | 62.6% | 17 | 0.4% | 3837 | 70% |
| Colrain | 401 | 60.2% | 249 | 37.4% | 16 | 2.4% | 666 | 56% |
| Concord | 5445 | 62.1% | 3271 | 37.3% | 52 | 0.6% | 8768 | 72% |
| Conway | 685 | 69.0% | 303 | 30.5% | 5 | 0.5% | 993 | 66% |
| Cummington | 306 | 69.2% | 130 | 29.4% | 6 | 1.4% | 442 | 68% |
| Dalton | 1423 | 61.7% | 845 | 36.7% | 37 | 1.6% | 2305 | 50% |