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_ |
|---|---|---|---|---|---|---|---|---|
| Buckland | 522 | 65.4% | 263 | 33.0% | 13 | 1.6% | 798 | 62% |
| Burlington | 3658 | 39.1% | 5640 | 60.3% | 54 | 0.6% | 9352 | 58% |
| Cambridge | 27268 | 84.1% | 4921 | 15.2% | 232 | 0.7% | 32421 | 54% |
| Canton | 3787 | 39.3% | 5770 | 59.9% | 80 | 0.8% | 9637 | 63% |
| Carlisle | 1442 | 54.0% | 1215 | 45.5% | 13 | 0.5% | 2670 | 73% |
| Carver | 1611 | 33.0% | 3222 | 66.0% | 50 | 1.0% | 4883 | 56% |
| Charlemont | 278 | 60.0% | 176 | 38.0% | 9 | 1.9% | 463 | 52% |
| Charlton | 1271 | 26.6% | 3458 | 72.4% | 46 | 1.0% | 4775 | 53% |
| Chatham | 1488 | 40.3% | 2179 | 59.0% | 27 | 0.7% | 3694 | 65% |
| Chelmsford | 5688 | 37.3% | 9417 | 61.8% | 128 | 0.8% | 15233 | 65% |
| Chelsea | 2562 | 61.9% | 1501 | 36.3% | 73 | 1.8% | 4136 | 37% |
| Cheshire | 740 | 62.2% | 436 | 36.7% | 13 | 1.1% | 1189 | 51% |