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_ |
|---|---|---|---|---|---|---|---|---|
| Stoneham | 3634 | 39.6% | 5473 | 59.6% | 75 | 0.8% | 9182 | 61% |
| Stoughton | 4466 | 43.9% | 5616 | 55.2% | 84 | 0.8% | 10166 | 58% |
| Stow | 1595 | 46.8% | 1789 | 52.5% | 24 | 0.7% | 3408 | 73% |
| Sturbridge | 1350 | 35.1% | 2454 | 63.8% | 44 | 1.1% | 3848 | 60% |
| Sudbury | 4291 | 51.0% | 4078 | 48.5% | 41 | 0.5% | 8410 | 71% |
| Sunderland | 842 | 66.6% | 410 | 32.4% | 12 | 0.9% | 1264 | 53% |
| Sutton | 1136 | 27.6% | 2931 | 71.3% | 43 | 1.0% | 1264 | 62% |
| Swampscott | 3121 | 48.7% | 3222 | 50.2% | 72 | 1.1% | 6415 | 63% |
| Swansea | 2449 | 42.1% | 3297 | 56.7% | 73 | 1.3% | 5819 | 51% |
| Taunton | 6586 | 41.8% | 8925 | 56.7% | 228 | 1.4% | 15739 | 48% |
| Templeton | 886 | 32.3% | 1814 | 66.1% | 44 | 1.6% | 2744 | 55% |
| Tewksbury | 3381 | 31.2% | 7353 | 67.9% | 90 | 0.8% | 10824 | 54% |