Incumbent: Democratic Gov. Deval Patrick
Republican: Former health care CEO Charlie Baker
Green: Physician Jill Stein
Independent: State Treasurer Tim Cahill
2008 Presidential Result: Obama 62%; McCain 36%
55+ population (2009 estimate): 25.4%
Overview: After winning 60 percent of the votes in 2006, Gov. Deval Patrick is seeking his second term. A friend of President Obama, Patrick faces a stiff challenge from Republican Charlie Baker, Jill Stein of the Green-Rainbow coalition, and State Treasurer Tim Cahill, who is running as an independent.
50+ Facts: Check the latest economic statistics and details on the state budget deficit.
Fun fact: Six of Massachusetts' last eight governors were Republicans: Francis Sargent, Edward King, William Weld, Paul Cellucci, Jane Swift and Mitt Romney.
'Wild card' Issue: Massachusetts Democrats were stunned last year when Republican State Sen. Scott Brown defeated state attorney general Martha Coakley to succeed the late Sen. Edward M. Kennedy. He is Massachusetts' first Republican senator since 1972. Could the aftershocks of that upset unseat Patrick?
Introduction: Governors' Races Hold High Stakes for the Future