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_ |
|---|---|---|---|---|---|---|---|---|
| Waltham | 8523 | 49.5% | 8546 | 49.6% | 157 | 0.9% | 17226 | 49% |
| Ware | 1127 | 37.7% | 1785 | 59.7% | 80 | 2.7% | 2992 | 47% |
| Wareham | 3128 | 39.8% | 4628 | 58.9% | 101 | 1.3% | 7857 | 52% |
| Warren | 594 | 36.7% | 986 | 60.9% | 38 | 2.3% | 1618 | 52% |
| Warwick | 207 | 61.8% | 123 | 36.7% | 5 | 1.5% | 335 | 60% |
| Washington | 160 | 63.0% | 91 | 35.8% | 3 | 1.2% | 254 | 60% |
| Watertown | 7301 | 61.2% | 4520 | 37.9% | 100 | 0.8% | 11921 | 55% |
| Wayland | 3597 | 54.9% | 2915 | 44.5% | 38 | 0.6% | 6550 | 65% |
| Webster | 1541 | 33.6% | 2977 | 64.8% | 74 | 1.6% | 4592 | 40% |
| Wellesley | 5934 | 49.8% | 5922 | 49.7% | 48 | 0.4% | 11904 | 68% |
| Wellfleet | 1075 | 63.4% | 596 | 35.1% | 25 | 1.5% | 1696 | 64% |
| Wendell | 338 | 79.7% | 79 | 18.6% | 7 | 1.7% | 424 | 61% |