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_ |
|---|---|---|---|---|---|---|---|---|
| Abington | 2088 | 33.1% | 4158 | 65.9% | 61 | 1.0% | 6307 | 60% |
| Acton | 5371 | 57.5% | 3896 | 41.7% | 71 | 0.8% | 9338 | 68% |
| Acushnet | 1627 | 42.8% | 2138 | 56.3% | 34 | 0.9% | 3799 | 51% |
| Adams | 1650 | 68.1% | 748 | 30.9% | 26 | 1.1% | 2424 | 40% |
| Agawam | 3660 | 34.7% | 6726 | 63.8% | 158 | 1.5% | 10544 | 51% |
| Alford | 157 | 69.2% | 68 | 30.0% | 2 | 0.9% | 227 | 58% |
| Amesbury | 2543 | 41.7% | 3480 | 57.1% | 70 | 1.1% | 6093 | 51% |
| Amherst | 6547 | 84.0% | 1180 | 15.1% | 64 | 0.8% | 7791 | 47% |
| Andover | 5900 | 41.2% | 8336 | 58.2% | 80 | 0.6% | 14316 | 64% |
| Aquinnah | 149 | 77.6% | 42 | 21.9% | 1 | 0.5% | 192 | 48% |
| Arlington | 13284 | 65.5% | 6845 | 33.7% | 157 | 0.8% | 20286 | 68% |