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_ |
|---|---|---|---|---|---|---|---|---|
| Shutesbury | 771 | 82.5% | 158 | 16.9% | 5 | 0.5% | 934 | 65% |
| Somerset | 3553 | 48.5% | 3706 | 50.5% | 73 | 1.0% | 7332 | 54% |
| Somerville | 16965 | 74.8% | 5462 | 24.1% | 261 | 1.2% | 22688 | 54% |
| Southampton | 1052 | 40.2% | 1533 | 58.5% | 34 | 1.3% | 2619 | 65% |
| Southborough | 1845 | 40.4% | 2689 | 58.9% | 33 | 0.7% | 4567 | 69% |
| Southbridge | 1748 | 42.5% | 2271 | 55.2% | 98 | 2.4% | 4117 | 34% |
| South Hadley | 3227 | 47.7% | 3434 | 50.8% | 102 | 1.5% | 6763 | 59% |
| Southwick | 1074 | 29.8% | 2469 | 68.6% | 56 | 1.6% | 3599 | 53% |
| Spencer | 1237 | 30.8% | 2727 | 67.9% | 53 | 1.3% | 4017 | 52% |
| Springfield | 17610 | 61.4% | 10630 | 37.1% | 432 | 1.5% | 28672 | 32% |
| Sterling | 1174 | 31.0% | 2569 | 67.8% | 44 | 1.2% | 3787 | 67% |
| Stockbridge | 672 | 74.1% | 224 | 24.7% | 11 | 1.2% | 907 | 61% |