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_ |
|---|---|---|---|---|---|---|---|---|
| Bedford | 2976 | 50.3% | 2900 | 49.0% | 46 | 0.8% | 5922 | 64% |
| Belchertown | 2629 | 48.4% | 2749 | 50.6% | 57 | 1.0% | 5435 | 57% |
| Bellingham | 2179 | 34.3% | 4090 | 64.4% | 78 | 1.2% | 6347 | 61% |
| Belmont | 6528 | 59.3% | 4405 | 40.0% | 76 | 0.7% | 11009 | 67% |
| Berkley | 746 | 31.2% | 1614 | 67.6% | 28 | 1.2% | 2388 | 56% |
| Berlin | 538 | 39.0% | 825 | 59.7% | 18 | 1.3% | 1381 | 69% |
| Bernardston | 445 | 52.9% | 378 | 44.9% | 19 | 2.3% | 842 | 54% |
| Beverly | 6735 | 44.0% | 8400 | 54.9% | 163 | 1.1% | 15298 | 61% |
| Billerica | 4972 | 33.8% | 9583 | 65.1% | 156 | 1.1% | 14711 | 60% |
| Blackstone | 1052 | 32.9% | 2102 | 65.8% | 40 | 1.3% | 3194 | 53% |
| Blandford | 196 | 35.6% | 343 | 62.4% | 11 | 2.0% | 550 | 63% |
| Bolton | 995 | 41.9% | 1362 | 57.3% | 18 | 0.8% | 2375 | 74% |