| House 1st Barnstable | Cleon H. Turner (D) 100% | Unopposed | |
| House 1st Berkshire | Gailanne Cariddi (D) 100% | Unopposed | |
| House 1st Bristol | Fred Jay Barrows (R) 100% | Unopposed | |
| House 1st Essex | Michael A. Costello (D) 100% | Unopposed | |
| House 1st Franklin | Stephen Kulik (D) 100% | Unopposed | |
| House 1st Hampden | Todd Smola (R) 100% | Unopposed | |
| House 1st Hampshire | Peter Kocot (D) 100% | Unopposed | |
| House 1st Middlesex | Sheila Harrington (R) 100% | Unopposed | |
| House 1st Norfolk | Bruce Ayers (D) 100% | Unopposed | |
| House 1st Plymouth | Vinny deMacedo (R) 100% | Unopposed | |
| House 1st Suffolk | Carlo Basile (D) 100% | Unopposed | |
| House 1st Worcester | Kim Ferguson (R) 100% | Unopposed | |
| House 2nd Barnstable | Brian Mannal (D) 100% | Unopposed | |
| House 2nd Berkshire | Paul Mark (D) 100% | Unopposed | |
| House 2nd Bristol | Paul Heroux (D) 58.21% | George T. Ross (R) 41.79% | Flipped R to D; Incumbent defeated |
| House 2nd Essex | Leonard Mirra (R) 52.23% | Barry P. Fogel (D) 47.77% | Flipped D to R |
| House 2nd Franklin | Denise Andrews (D) 45.31% | Susannah Whipps (R) 44.23%, Richard F. Schober, Jr. (I) 10.46% | |
| House 2nd Hampden | Brian Ashe (D) 57.11% | Marie Angelides (R) 42.89% | |
| House 2nd Hampshire | John Scibak (D) 100% | Unopposed | |
| House 2nd Middlesex | Jim Arciero (D) 65.1% | Valerie A. Wormell (R) 34.9% | |
| House 2nd Norfolk | Tackey Chan (D) 100% | Unopposed | |
| House 2nd Plymouth | Susan Gifford (R) 100% | Unopposed | |
| House 2nd Suffolk | Eugene O'Flaherty (D) 82.03% | Charles F. Klauder (R) 17.97% | |
| House 2nd Worcester | Jon Zlotnik (D) 51% | Richard M. Bastien (R) 49% | Flipped R to D; Incumbent defeated |
| House 3rd Barnstable | Dave Vieira (R) 100% | Unopposed | |
| House 3rd Berkshire | Tricia Farley-Bouvier (D) 100% | Unopposed | |
| House 3rd Bristol | Shaunna O'Connell (R) 56.46% | Sherry Costa-Hanlon (D) 43.54% | |
| House 3rd Essex | Brian Dempsey (D) 100% | Unopposed | |
| House 3rd Hampden | Nick Boldyga (R) 61.19% | Samuel Salvatore Disanti, Jr. (D) 38.81% | |
| House 3rd Hampshire | Ellen Story (D) 100% | Unopposed | |
| House 3rd Middlesex | Kate Hogan (D) 64.15% | Chuck S. Kuniewich, Jr. (R) 35.85% | |
| House 3rd Norfolk | Ronald Mariano (D) 100% | Unopposed | |
| House 3rd Plymouth | Garrett J. Bradley (D) 100% | Unopposed | |
| House 3rd Suffolk | Aaron Michlewitz (D) 100% | Unopposed | |
| House 3rd Worcester | Stephen L. DiNatale (D) 100% | Unopposed | |
| House 4th Barnstable | Sarah Peake (D) 100% | Unopposed | |
| House 4th Berkshire | William Pignatelli (D) 82.14% | Lee Scott Laugenour (G) 17.86% | |
| House 4th Bristol | Steven Howitt (R) 61.41% | A. Keith Carreiro (D) 38.59% | |
| House 4th Essex | Bradford Hill (R) 100% | Unopposed | |
| House 4th Hampden | Donald F. Humason, Jr. (R) 100% | Unopposed | |
| House 4th Middlesex | Danielle Gregoire (D) 50.59% | Steven L. Levy (R) 49.41% | Flipped R to D; Incumbent defeated |
| House 4th Norfolk | James Michael Murphy (D) 80.93% | Robert Montgomery Thomas (I) 19.07% | |
| House 4th Plymouth | James Cantwell (D) 68.4% | Stephen W. Coulter (R) 31.6% | |
| House 4th Suffolk | Nick Collins (D) 100% | Unopposed | |
| House 4th Worcester | Dennis Rosa (D) 57.19% | Justin A. Brooks (R) 42.81% | |
| House 5th Barnstable | Randy Hunt (R) 56.15% | R. Patrick Ellis (D) 43.85% | |
| House 5th Bristol | Patricia Haddad (D) 100% | Unopposed | |
| House 5th Essex | Ann-Margaret Ferrante (D) 100% | Unopposed | |
| House 5th Hampden | Aaron Vega (D) 60.82% | Linda L. Vacon (R) 20.46%, Jerome T. Hobert (G) 18.73% | |
| House 5th Middlesex | David Linsky (D) 64.65% | William J. Callahan (R) 35.35% | |
| House 5th Norfolk | Mark Cusack (D) 100% | Unopposed | |
| House 5th Plymouth | Rhonda Nyman (D) 57.87% | Korey M. Welch (R) 42.13% | |
| House 5th Suffolk | Carlos Henriquez (D) 78.17% | Althea Garrison (I) 21.83% | |
| House 5th Worcester | Anne Gobi (D) 69.7% | Jason M. Petraitis (R) 30.3% | |
| House 6th Bristol | David B. Sullivan (D) 100% | Unopposed | |
| House 6th Essex | Jerry Parisella (D) 100% | Unopposed | |
| House 6th Hampden | Mike Finn (D) 63.69% | Lincoln A. Blackie (I) 36.31% | |
| House 6th Middlesex | Chris Walsh (D) 100% | Unopposed | |
| House 6th Norfolk | William C. Galvin (D) 100% | Unopposed | |
| House 6th Plymouth | Josh Cutler (D) 55.07% | Karen E. Barry (R) 44.93% | Flipped R to D |
| House 6th Suffolk | Russell Holmes (D) 100% | Unopposed | |
| House 6th Worcester | Peter Durant (R) 55.49% | Kathleen Walker (D) 44.51% | |
| House 7th Bristol | Alan Silvia (D) 100% | Unopposed | |
| House 7th Essex | John Keenan (D) 100% | Unopposed | |
| House 7th Hampden | Thomas Petrolati (D) 100% | Unopposed | |
| House 7th Middlesex | Tom Sannicandro (D) 71.12% | Jon Andrew Fetherston (R) 28.88% | |
| House 7th Norfolk | Walter F. Timilty, Jr. (D) 100% | Unopposed | |
| House 7th Plymouth | Geoff Diehl (R) 54.24% | Robert L. Toomey, Jr. (D) 45.76% | |
| House 7th Suffolk | Gloria L. Fox (D) 100% | Unopposed | |
| House 7th Worcester | Paul Frost (R) 100% | Unopposed | |
| House 8th Bristol | Paul Schmid III (D) 100% | Unopposed | |
| House 8th Essex | Lori Ehrlich (D) 100% | Unopposed | |
| House 8th Hampden | Joseph Wagner (D) 100% | Unopposed | |
| House 8th Middlesex | Carolyn Dykema (D) 61.37% | Martin A. Lamb (R) 38.63% | |
| House 8th Norfolk | Louis Kafka (D) 100% | Unopposed | |
| House 8th Plymouth | Angelo D'Emilia (R) 52.32% | Marilee Kenney Hunt (D) 47.68% | |
| House 8th Suffolk | Martha Walz (D) 100% | Unopposed | |
| House 8th Worcester | Kevin Kuros (R) 51.25% | Robert J. Dubois (D) 48.75% | |
| House 9th Bristol | Christopher Markey (D) 100% | Unopposed | |
| House 9th Essex | Donald Wong (R) 100% | Unopposed | |
| House 9th Hampden | Sean Curran (D) 84.77% | Robert Underwood (I) 15.23% | |
| House 9th Middlesex | Thomas M. Stanley (D) 100% | Unopposed | |
| House 9th Norfolk | Daniel B. Winslow (R) 100% | Unopposed | |
| House 9th Plymouth | Michael D. Brady (D) 100% | Unopposed | |
| House 9th Suffolk | Byron Rushing (D) 100% | Unopposed | |
| House 9th Worcester | George N. Peterson, Jr. (R) 100% | Unopposed | |
| House 10th Bristol | William Straus (D) 100% | Unopposed | |
| House 10th Essex | Robert Fennell (D) 82.99% | Dwight J. Caufield (R) 17.01% | |
| House 10th Hampden | Cheryl Rivera (D) 100% | Unopposed | |
| House 10th Middlesex | John J. Lawn, Jr. (D) 76% | Francis Xavier Stanton, III (R) 24% | |
| House 10th Norfolk | Jeff Roy (D) 54.29% | Richard A. Eustis (R) 45.71% | |
| House 10th Plymouth | Christine E. Canavan (D) 100% | Unopposed | |
| House 10th Suffolk | Edward Coppinger (D) 100% | Unopposed | |
| House 10th Worcester | John V. Fernandes (D) 100% | Unopposed | |
| House 11th Bristol | Robert Koczera (D) 100% | Unopposed | |
| House 11th Essex | Steven M. Walsh (D) 100% | Unopposed | |
| House 11th Hampden | Benjamin Swan (D) 76.95% | Norman W. Oliver (I) 23.05% | |
| House 11th Middlesex | Kay Khan (D) 74.38% | Greer Tan Swiston (R) 25.62% | |
| House 11th Norfolk | Paul McMurtry (D) 100% | Unopposed | |
| House 11th Plymouth | Claire Cronin (D) 63.27% | Daniel J. Murphy (R) 36.73% | |
| House 11th Suffolk | Elizabeth Malia (D) 100% | Unopposed | |
| House 11th Worcester | Matthew A. Beaton (R) 100% | Unopposed | |
| House 12th Bristol | Keiko Orrall (R) 57.64% | Roger P. Brunelle, Jr. (D) 42.36% | |
| House 12th Essex | Joyce A. Spiliotis (D) 100% | Unopposed | |
| House 12th Hampden | Angelo Puppolo (D) 70.27% | Dennis John McCarthy (R) 29.73% | |
| House 12th Middlesex | Ruth Balser (D) 100% | Unopposed | |
| House 12th Norfolk | John Rogers (D) 60.72% | James M. Stanton (R) 39.28% | |
| House 12th Plymouth | Thomas J. Calter, III (D) 62.53% | Debra A. Betz (R) 37.47% | |
| House 12th Suffolk | Linda Dorcena Forry (D) 100% | Unopposed | |
| House 12th Worcester | Harold P. Naughton, Jr. (D) 100% | Unopposed | |
| House 13th Bristol | Tony Cabral (D) 100% | Unopposed | |
| House 13th Essex | Theodore Speliotis (D) 62.8% | Daniel C. Bennett (R) 37.2% | |
| House 13th Middlesex | Thomas P. Conroy (D) 100% | Unopposed | |
| House 13th Norfolk | Denise Garlick (D) 100% | Unopposed | |
| House 13th Suffolk | Martin J. Walsh (D) 100% | Unopposed | |
| House 13th Worcester | John Mahoney (D) 100% | Unopposed | |
| House 14th Bristol | Elizabeth Poirier (R) 100% | Unopposed | |
| House 14th Essex | Diana DiZoglio (D) 62.92% | Karin K. Rhoton (R) 37.08% | |
| House 14th Middlesex | Cory Atkins (D) 65.4% | Michael J. Benn (R) 34.6% | |
| House 14th Norfolk | Alice Peisch (D) 100% | Unopposed | |
| House 14th Suffolk | Angelo Scaccia (D) 100% | Unopposed | |
| House 14th Worcester | Jim O'Day (D) 61.21% | William J. McCarthy, III (R) 30.02%, Winthrop E. Handy (I) 8.77% | |
| House 15th Essex | Linda Dean Campbell (D) 100% | Unopposed | |
| House 15th Middlesex | Jay R. Kaufman (D) 100% | Unopposed | |
| House 15th Norfolk | Frank Smizik (D) 100% | Unopposed | |
| House 15th Suffolk | Jeffrey Sanchez (D) 100% | Unopposed | |
| House 15th Worcester | Mary Keefe (D) 75.46% | Brian J. O'Malley (R) 24.54% | |
| House 16th Essex | Marcos Devers (D) 84.43% | Jose Santiago (I) 15.57% | |
| House 16th Middlesex | Thomas A. Golden, Jr. (D) 100% | Unopposed | |
| House 16th Suffolk | Kathi-Anne Reinstein (D) 100% | Unopposed | |
| House 16th Worcester | John P. Fresolo (D) 100% | Unopposed | |
| House 17th Essex | Frank Moran (D) 63.51% | Kevin M. Cuff (I) 36.49% | Flipped R to D |
| House 17th Middlesex | David Nangle (D) 76.8% | Martin D. Burke (R) 23.2% | |
| House 17th Suffolk | Kevin Honan (D) 100% | Unopposed | |
| House 17th Worcester | John J. Binienda, Sr. (D) 76.64% | William G. Lebeau (R) 23.36% | |
| House 18th Essex | James J. Lyons, Jr. (R) 51.1% | Barbara L'Italien (D) 48.9% | |
| House 18th Middlesex | Kevin J. Murphy (D) 100% | Unopposed | |
| House 18th Suffolk | Michael J. Moran (D) 100% | Unopposed | |
| House 18th Worcester | Ryan Fattman (R) 70.06% | Donald D. Bourque (D) 29.94% | |
| House 19th Middlesex | James Miceli (D) 73.52% | Douglas W. Sears (R) 26.48% | |
| House 19th Suffolk | Robert DeLeo (D) 77.63% | Paul A. Caruccio (R) 22.37% | |
| House 20th Middlesex | Bradley Jones, Jr. (R) 100% | Unopposed | |
| House 21st Middlesex | Ken Gordon (D) 55.28% | Walter Zenkin (R) 44.72% | |
| House 22nd Middlesex | Marc Lombardo (R) 60.8% | James F. O'Donnell, Jr. (I) 39.2% | |
| House 23rd Middlesex | Sean Garballey (D) 81.35% | Joseph J. Monju (R) 18.65% | |
| House 24th Middlesex | David M. Rogers (D) 57.48% | James F. Gammill (I) 22.28%, Tommasina Anne Olson (R) 20.24% | |
| House 25th Middlesex | Marjorie Decker (D) 100% | Unopposed | |
| House 26th Middlesex | Timothy J. Toomey, Jr. (D) 68.42% | Mike Connolly (I) 25.17%, Thomas Michael Vasconcelos (R) 6.41% | |
| House 27th Middlesex | Denise Provost (D) 100% | Unopposed | |
| House 28th Middlesex | Stephen Stat Smith (D) 100% | Unopposed | |
| House 29th Middlesex | Jonathan Hecht (D) 100% | Unopposed | |
| House 30th Middlesex | James Dwyer (D) 100% | Unopposed | |
| House 31st Middlesex | Jason Lewis (D) 59.84% | George Georgountzos (R) 40.16% | |
| House 32nd Middlesex | Paul Brodeur (D) 100% | Unopposed | |
| House 33rd Middlesex | Christopher G. Fallon (D) 100% | Unopposed | |
| House 34th Middlesex | Carl M. Sciortino, Jr. (D) 84.21% | David M. Rajczewski (R) 15.79% | |
| House 35th Middlesex | Paul J. Donato, Sr. (D) 100% | Unopposed | |
| House 36th Middlesex | Colleen Garry (D) 58.57% | Cathy Richardson (R) 41.43% | |
| House 37th Middlesex | Jennifer Benson (D) 100% | Unopposed | |
| House Barnstable, Dukes and Nantucket | Timothy R. Madden (D) 100% | Unopposed | |
| Senate 1st Bristol and Plymouth | Michael Rodrigues (D) 46.36% | Unopposed | |
| Senate 1st Essex | Kathleen A. O'Connor Ives (D) 45.92% | Shaun P. Toohey (R) 33.62%, Paul A. Magliocchetti (I) 16.23% | |
| Senate 1st Essex and Middlesex | Bruce Tarr (R) 100% | Unopposed | |
| Senate 1st Hampden and Hampshire | Gale D. Candaras (D) 100% | Unopposed | |
| Senate 1st Middlesex | Eileen Donoghue (D) 71.18% | James J. Buba (R) 28.82% | |
| Senate 1st Middlesex and Norfolk | Cynthia Creem (D) 100% | Unopposed | |
| Senate 1st Plymouth and Bristol | Marc Pacheco (D) 98.7% | Unopposed | |
| Senate 1st Suffolk | John A. Hart, Jr. (D) 100% | Unopposed | |
| Senate 1st Suffolk and Middlesex | Anthony W. Petruccelli (D) 81.6% | Thomas J. Dooley, III (R) 18.4% | |
| Senate 1st Worcester | Harriette Chandler (D) 100% | Unopposed | |
| Senate 2nd Bristol and Plymouth | Mark Montigny (D) 99.2% | Unopposed | |
| Senate 2nd Essex | Joan Lovely (D) 70.75% | Richard A. Jolitz (R) 29.25% | |
| Senate 2nd Essex and Middlesex | Barry Finegold (D) 65.18% | Paul L. Adams (R) 34.82% | |
| Senate 2nd Hampden and Hampshire | Michael R. Knapik (R) 100% | Unopposed | |
| Senate 2nd Middlesex | Patricia D. Jehlen (D) 100% | Unopposed | |
| Senate 2nd Middlesex and Norfolk | Karen Spilka (D) 100% | Unopposed | |
| Senate 2nd Plymouth and Bristol | Thomas P. Kennedy (D) 49.38% | Unopposed | |
| Senate 2nd Suffolk | Sonia Chang-Diaz (D) 100% | Unopposed | |
| Senate 2nd Suffolk and Middlesex | William N. Brownsberger (D) 76.37% | Steven W. Aylward (R) 23.63% | |
| Senate 2nd Worcester | Michael O. Moore (D) 67.93% | Stephen R. Simonian (R) 32.07% | |
| Senate 3rd Essex | Thomas McGee (D) 100% | Unopposed | |
| Senate 3rd Middlesex | Michael J. Barrett (D) 60.6% | Sandi Martinez (R) 39.4% | |
| Senate 4th Middlesex | Kenneth Donnelly (D) 68.16% | Gerry Dembrowski (R) 31.84% | |
| Senate 5th Middlesex | Katherine M. Clark (D) 100% | Unopposed | |
| Senate Berkshire, Hampshire, Franklin and Hampden | Benjamin B. Downing (D) 100% | Unopposed | |
| Senate Bristol and Norfolk | James Timilty (D) 62.54% | Jeffrey Robert Bailey (R) 37.46% | |
| Senate Cape and Islands | Daniel A. Wolf (D) 100% | Unopposed | |
| Senate Hampden | James Welch (D) 100% | Unopposed | |
| Senate Hampshire, Franklin and Worcester | Stanley C. Rosenberg (D) 100% | Unopposed | |
| Senate Middlesex and Suffolk | Sal DiDomenico (D) 100% | Unopposed | |
| Senate Middlesex and Worcester | James B. Eldridge (D) 38.64% | Dean J. Cavaretta (R) 21.03% | |
| Senate Norfolk and Plymouth | John Keenan (D) 98.7% | Unopposed | |
| Senate Norfolk and Suffolk | Michael F. Rush (D) 100% | Unopposed | |
| Senate Norfolk, Bristol and Middlesex | Richard J. Ross (R) 100% | Unopposed | |
| Senate Norfolk, Bristol and Plymouth | Brian A. Joyce (D) 100% | Unopposed | |
| Senate Plymouth and Barnstable | Therese Murray (D) 58.16% | Thomas Francis Keyes (R) 41.84% | |
| Senate Plymouth and Norfolk | Robert L. Hedlund, Jr. (R) 68.3% | Genevieve S. Davis (D) 31.6% | |
| Senate Worcester and Middlesex | Jennifer Flanagan (D) 40.33% | Unopposed | |
| Senate Worcester and Norfolk | Richard T. Moore (D) 100% | Unopposed | |
| Senate Worcester, Hampden, Hampshire and Middlesex | Stephen M. Brewer (D) 100% | Unopposed | |