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
  1. Katherine Clark (D) · won52.3%
  2. Craig Spadafora (R)47.6%

Full results →

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.

YearWinnerRunner-upWon by
2010Katherine Clark (D)FlipCraig Spadafora (R)4.6
2008Richard R. Tisei (R)—Unopposed
2006Richard R. Tisei (R)—Unopposed
2004Richard R. Tisei (R)Katherine Clark (D)13.3
2002Richard 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)