2010 Massachusetts Senate election
In the elections to the Massachusetts State Senate in 2010, the Democrats continued their dominance, winning 36 seats against 4 seats for the Republicans.
Election results
| District | Incumbent | Party | First elected | Result | Candidates |
| Berkshire, Hampshire, and Franklin | Benjamin Downing | Democratic | 2006 | Re-elected | Benjamin Downing unopposed |
| Bristol and Norfolk | James Timilty | Democratic | 2004 | Re-elected | James Timilty unopposed |
| 1st Bristol and Plymouth | Joan Menard | Democratic | 2000 | Retired Democratic hold | Michael Rodrigues 62.16% Derek Maksy 37.84% |
| 2nd Bristol and Plymouth | Mark Montigny | Democratic | 1992 | Re-elected | Mark Montigny unopposed |
| Cape and Islands | Robert O'Leary | Democratic | 2000 | Retired to run for 10th Congressional District Democratic hold | Dan Wolf 57.45% James Crocker 42.55% |
| 1st Essex | Steven Baddour | Democratic | 2002 | Re-elected | Steven Baddour unopposed |
| 2nd Essex | Frederick Berry | Democratic | 1982 | Re-elected | Frederick Berry 61.51% Richard Jolitz 31.47% Matthew Fraser 7.02% |
| 1st Essex and Middlesex | Bruce Tarr | Republican | 1994 | Re-elected | Bruce Tarr unopposed |