Massachusetts State Senate seat · former district
Massachusetts Senate District MIDDLESEXESSEX
5 elections since 2002: Democrats won 1, Republicans 4.
2010 election
Nov 2, 2010 · changed party- Katherine Clark (D) · won52.3%
- Craig Spadafora (R)47.6%
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
Every election for this seat
5 races since 2002; the seat changed party 1 time.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| 2010 | Katherine Clark (D)Flip | Craig Spadafora (R) | 4.6 |
| 2008 | Richard R. Tisei (R) | — | Unopposed |
| 2006 | Richard R. Tisei (R) | — | Unopposed |
| 2004 | Richard R. Tisei (R) | Katherine Clark (D) | 13.3 |
| 2002 | Richard R. Tisei (R) | — | Unopposed |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)