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_ |
|---|---|---|---|---|---|---|---|---|
| Boston | 105289 | 68.7% | 46468 | 30.3% | 1513 | 1.0% | 153270 | 43% |
| Bourne | 2807 | 35.0% | 5134 | 64.0% | 76 | 0.9% | 8017 | 61% |
| Boxborough | 1141 | 50.7% | 1087 | 48.3% | 21 | 0.9% | 2249 | 67% |
| Boxford | 1239 | 30.3% | 2837 | 69.3% | 18 | 0.4% | 4094 | 69% |
| Boylston | 729 | 35.2% | 1321 | 63.7% | 23 | 1.1% | 2073 | 67% |
| Braintree | 5606 | 37.2% | 9312 | 61.8% | 155 | 1.0% | 15073 | 61% |
| Brewster | 2416 | 46.5% | 2730 | 52.6% | 46 | 0.9% | 5192 | 64% |
| Bridgewater | 2794 | 31.0% | 6138 | 68.1% | 85 | 0.9% | 9017 | 58% |
| Brimfield | 489 | 32.8% | 995 | 66.7% | 7 | 0.5% | 1491 | 58% |
| Brockton | 11761 | 54.4% | 9634 | 44.6% | 223 | 1.0% | 21618 | 41% |
| Brookfield | 430 | 33.8% | 813 | 63.9% | 29 | 2.3% | 1272 | 55% |
| Brookline | 15264 | 74.1% | 5217 | 25.3% | 108 | 0.5% | 20589 | 49% |