| House 1st Barnstable | Timothy Whelan (R) 58.5% | Steven Leibowitz (D) 41.5% | |
| House 1st Berkshire | John Barrett (D) 98.6% | Unopposed | |
| House 1st Bristol | Fred Jay Barrows (R) 99.4% | Unopposed | |
| House 1st Essex | James Kelcourse (R) 52.7% | Jennifer Rocco-Runnion (D) 47.3% | |
| House 1st Franklin | Natalie Blais (D) 99% | Unopposed | |
| House 1st Hampden | Todd Smola (R) 67.3% | Tanya Neslusan (D) 32.7% | |
| House 1st Hampshire | Lindsay Sabadosa (D) 99.1% | Unopposed | |
| House 1st Middlesex | Sheila Harrington (R) 98.8% | Unopposed | |
| House 1st Norfolk | Bruce Ayers (D) 98.7% | Unopposed | |
| House 1st Plymouth | Mathew Muratore (R) 52.3% | John Mahoney (D) 47.7% | |
| House 1st Suffolk | Adrian Madaro (D) 98.4% | Unopposed | |
| House 1st Worcester | Kim Ferguson (R) 77.8% | Matthew Moncreaff (D) 22.1% | |
| House 2nd Barnstable | William Crocker Jr. (R) 52% | Paul Cusack (D) 47.9% | |
| House 2nd Berkshire | Paul Mark (D) 99.6% | Unopposed | |
| House 2nd Bristol | Jim Hawkins (D) 58.3% | Julie Hall (R) 41.6% | |
| House 2nd Essex | Leonard Mirra (R) 50.7% | Christina Eckert (D) 49.3% | |
| House 2nd Franklin | Susannah Whipps (I) 70.1% | John William Arena (D) 29.6% | Flipped D to I |
| House 2nd Hampden | Brian Ashe (D) 55.9% | Allison Werder (R) 43.8% | |
| House 2nd Hampshire | Daniel Carey (D) 74.1% | Donald Peltier (R) 25.6% | |
| House 2nd Middlesex | Jim Arciero (D) 64.4% | Kathleen Lynch (R) 35.6% | |
| House 2nd Norfolk | Tackey Chan (D) 70.6% | William Burke (R) 29.2% | |
| House 2nd Plymouth | Susan Gifford (R) 56.7% | Sarah Hewins (D) 43.2% | |
| House 2nd Suffolk | Danny Ryan (D) 98.8% | Unopposed | |
| House 2nd Worcester | Jon Zlotnik (D) 53.8% | Edward Gravel (R) 43.3%, Yasmine Khdeer (I) 2.8% | |
| House 3rd Barnstable | Dave Vieira (R) 98.3% | Unopposed | |
| House 3rd Berkshire | Tricia Farley-Bouvier (D) 98.8% | Unopposed | |
| House 3rd Bristol | Shaunna O'Connell (R) 61.5% | Emily Farrer (D) 38.5% | |
| House 3rd Essex | Andy Vargas (D) 97% | Unopposed | |
| House 3rd Hampden | Nick Boldyga (R) 66% | Forrest Bradford (D) 34% | |
| House 3rd Hampshire | Mindy Domb (D) 74.98% | Solomon Goldstein-Rose (I) 24.78% | Flipped I to D |
| House 3rd Middlesex | Kate Hogan (D) 98.7% | Unopposed | |
| House 3rd Norfolk | Ronald Mariano (D) 68.7% | Stephen Tougas (R) 31.1% | |
| House 3rd Plymouth | Joan Meschino (D) 57% | Kristen Arute (R) 42.9% | |
| House 3rd Suffolk | Aaron Michlewitz (D) 98.7% | Unopposed | |
| House 3rd Worcester | Stephan Hay (D) 68.6% | Elmer Eubanks-Archbold (R) 31.4% | |
| House 4th Barnstable | Sarah Peake (D) 98.3% | Unopposed | |
| House 4th Berkshire | William Pignatelli (D) 99.4% | Unopposed | |
| House 4th Bristol | Steven Howitt (R) 98.5% | Unopposed | |
| House 4th Essex | Bradford Hill (R) 56.3% | Allison Gustavson (D) 43.6% | |
| House 4th Hampden | John Velis (D) 99.1% | Unopposed | |
| House 4th Middlesex | Danielle Gregoire (D) 63.5% | Paul Ferro (R) 36.4% | |
| House 4th Norfolk | James Michael Murphy (D) 98.5% | Unopposed | |
| House 4th Plymouth | Patrick Kearney (D) 57.1% | Edward O'Connell (R) 33.9%, Nathaniel Powell (I) 7.2% | |
| House 4th Suffolk | David Biele (D) 98.4% | Unopposed | |
| House 4th Worcester | Natalie Higgins (D) | Richard E. Palmieri (R) | |
| House 5th Barnstable | Randy Hunt (R) 57.1% | Jack Stanton (D) 42.7% | |
| House 5th Bristol | Patricia Haddad (D) 98.7% | Unopposed | |
| House 5th Essex | Ann-Margaret Ferrante (D) 71.4% | James K. Gardner (I) 28.4% | |
| House 5th Hampden | Aaron Vega (D) 99.6% | Unopposed | |
| House 5th Middlesex | David Linsky (D) 99.5% | Unopposed | |
| House 5th Norfolk | Mark Cusack (D) 97.8% | Unopposed | |
| House 5th Plymouth | David DeCoste (R) 51.7% | Alison Demong (D) 48.2% | |
| House 5th Suffolk | Liz Miranda (D) 88.7% | Althea Garrison (I) 11% | |
| House 5th Worcester | Donald Berthiaume, Jr. (R) 59.5% | Jean Anne Strauss (D) 40.5% | |
| House 6th Bristol | Carole Fiola (D) 62.2% | David L. Steinhof (R) 37.7% | |
| House 6th Essex | Jerry Parisella (D) 85.3% | Donato Paglia (I) 14.6% | |
| House 6th Hampden | Mike Finn (D) 98.9% | Unopposed | |
| House 6th Middlesex | Maria Duaime Robinson (D) 98% | Unopposed | |
| House 6th Norfolk | William C. Galvin (D) 99.4% | Unopposed | |
| House 6th Plymouth | Josh Cutler (D) 97.8% | Unopposed | |
| House 6th Suffolk | Russell Holmes (D) 98.9% | Unopposed | |
| House 6th Worcester | Peter Durant (R) 97.7% | Unopposed | |
| House 7th Bristol | Alan Silvia (D) 99.1% | Unopposed | |
| House 7th Essex | Paul Tucker (D) 99.4% | Unopposed | |
| House 7th Hampden | Thomas Petrolati (D) 98% | Unopposed | |
| House 7th Middlesex | Jack Lewis (D) 97.5% | Unopposed | |
| House 7th Norfolk | William Driscoll Jr. (D) 99.1% | Unopposed | |
| House 7th Plymouth | Alyson Sullivan (R) 55.8% | Alex Bezanson (D) 44.2% | |
| House 7th Suffolk | Chynah Tyler (D) 99% | Unopposed | |
| House 7th Worcester | Paul Frost (R) 65.3% | Terry Burke Dotson (D) 34.5% | |
| House 8th Bristol | Paul Schmid III (D) 98.9% | Unopposed | |
| House 8th Essex | Lori Ehrlich (D) 99.2% | Unopposed | |
| House 8th Hampden | Joseph Wagner (D) 97.4% | Unopposed | |
| House 8th Middlesex | Carolyn Dykema (D) 98.8% | Unopposed | |
| House 8th Norfolk | Louis Kafka (D) 99.1% | Unopposed | |
| House 8th Plymouth | Angelo D'Emilia (R) 98.7% | Unopposed | |
| House 8th Suffolk | Jay Livingstone (D) 98.9% | Unopposed | |
| House 8th Worcester | Mike Soter (R) 51.4% | Patrick Malone (D) 48.4% | |
| House 9th Bristol | Christopher Markey (D) 99.3% | Unopposed | |
| House 9th Essex | Donald Wong (R) 62.1% | Matthew Crescenzo (D) 34%, Michael Coller (I) 3.9% | |
| House 9th Hampden | Jose Tosado (D) 97.8% | Unopposed | |
| House 9th Middlesex | Thomas M. Stanley (D) 98.7% | Unopposed | |
| House 9th Norfolk | Shawn Dooley (R) 58.7% | Brian Hamlin (D) 41.2% | |
| House 9th Plymouth | Gerry Cassidy (D) 99.8% | Unopposed | |
| House 9th Suffolk | Jon Santiago (D) 98.9% | Unopposed | |
| House 9th Worcester | David Muradian, Jr. (R) 54.65% | Unopposed | |
| House 10th Bristol | William Straus (D) 98.4% | Unopposed | |
| House 10th Essex | Dan Cahill (D) 98.1% | Unopposed | |
| House 10th Hampden | Carlos González (D) 98.4% | Unopposed | |
| House 10th Middlesex | John J. Lawn, Jr. (D) 98.7% | Unopposed | |
| House 10th Norfolk | Jeff Roy (D) 58.5% | Patrick Casey (R) 41.4% | |
| House 10th Plymouth | Michelle DuBois (D) 56.4% | John Cruz (R) 43.6% | |
| House 10th Suffolk | Edward Coppinger (D) 98.8% | Unopposed | |
| House 10th Worcester | Brian Murray (D) 56.1% | Sandra Biagetti (R) 43.8% | |
| House 11th Bristol | Chris Hendricks (D) 98.1% | Unopposed | |
| House 11th Essex | Peter Capano (D) 97.9% | Unopposed | |
| House 11th Hampden | Bud Williams (D) 97.6% | Unopposed | |
| House 11th Middlesex | Kay Khan (D) 98.7% | Unopposed | |
| House 11th Norfolk | Paul McMurtry (D) 67% | John McDonald (R) 32.9% | |
| House 11th Plymouth | Claire Cronin (D) 99.5% | Unopposed | |
| House 11th Suffolk | Elizabeth Malia (D) 99.1% | Unopposed | |
| House 11th Worcester | Hannah Kane (R) 99.4% | Unopposed | |
| House 12th Bristol | Norm Orrall (R) 52.1% | Allin John Frawley (D) 47.9% | |
| House 12th Essex | Thomas Walsh (D) 98.2% | Unopposed | |
| House 12th Hampden | Angelo Puppolo (D) 77.4% | Donald Flannery (I) 22.4% | |
| House 12th Middlesex | Ruth Balser (D) 98.7% | Unopposed | |
| House 12th Norfolk | John Rogers (D) 98.7% | Unopposed | |
| House 12th Plymouth | Kathy LaNatra (D) 52.5% | Joseph Truschelli (R) 47.5% | |
| House 12th Suffolk | Dan Cullinane (D) 98.9% | Unopposed | |
| House 12th Worcester | Harold P. Naughton, Jr. (D) 69.2% | Stanley Marcinczyk Jr. (R) 22.5% | |
| House 13th Bristol | Tony Cabral (D) 78.5% | Michael Janson (I) 21.2% | |
| House 13th Essex | Theodore Speliotis (D) 51.4% | Mark Mezzina (R) 48.5% | |
| House 13th Middlesex | Carmine Gentile (D) 99% | Unopposed | |
| House 13th Norfolk | Denise Garlick (D) 98.6% | Unopposed | |
| House 13th Suffolk | Dan Hunt (D) 98.3% | Unopposed | |
| House 13th Worcester | John Mahoney (D) 98.1% | Unopposed | |
| House 14th Bristol | Elizabeth Poirier (R) 98.9% | Unopposed | |
| House 14th Essex | Christina Minicucci (D) 64.4% | Ryan Losco (R) 35.5% | |
| House 14th Middlesex | Tami Gouveia (D) 90.02% | Daniel Factor (G) 9.98% | |
| House 14th Norfolk | Alice Peisch (D) 98.9% | Unopposed | |
| House 14th Suffolk | Angelo Scaccia (D) 97% | Unopposed | |
| House 14th Worcester | Jim O'Day (D) 97.5% | Unopposed | |
| House 15th Essex | Linda Dean Campbell (D) 79% | Anand Gonsalves (I) 20.3% | |
| House 15th Middlesex | Michelle Ciccolo (D) 99.7% | Unopposed | |
| House 15th Norfolk | Tommy Vitolo (D) 99.3% | Unopposed | |
| House 15th Suffolk | Nika Elugardo (D) 98.5% | Unopposed | |
| House 15th Worcester | Mary Keefe (D) 98.1% | Unopposed | |
| House 16th Essex | Marcos Devers (D) 97.1% | Unopposed | |
| House 16th Middlesex | Thomas A. Golden, Jr. (D) 99.6% | Unopposed | |
| House 16th Suffolk | RoseLee Vincent (D) 98.5% | Unopposed | |
| House 16th Worcester | Dan Donahue (D) 98% | Unopposed | |
| House 17th Essex | Frank Moran (D) 98.3% | Unopposed | |
| House 17th Middlesex | David Nangle (D) 99.7% | Unopposed | |
| House 17th Suffolk | Kevin Honan (D) 98.6% | Unopposed | |
| House 17th Worcester | David LeBoeuf (D) 59.3% | Paul Fullen (R) 40.6% | Flipped R to D |
| House 18th Essex | Tram Nguyen (D) 54.9% | James J. Lyons, Jr. (R) 45.1% | Flipped R to D; Incumbent defeated |
| House 18th Middlesex | Rady Mom (D) 92% | Unopposed | |
| House 18th Suffolk | Michael J. Moran (D) 98.3% | Unopposed | |
| House 18th Worcester | Joe McKenna (R) 98.7% | Unopposed | |
| House 19th Middlesex | David B Robertson (D) 48.2% | Pina Prinzivalli (R) 43.4%, Patricia Meuse (I) 8.3% | |
| House 19th Suffolk | Robert DeLeo (D) 98% | Unopposed | |
| House 20th Middlesex | Bradley Jones, Jr. (R) 99% | Unopposed | |
| House 21st Middlesex | Ken Gordon (D) 98% | Unopposed | |
| House 22nd Middlesex | Marc Lombardo (R) 60.5% | Christopher Tribou (D) 37.5%, Matthew Mixon (I) 1.8% | |
| House 23rd Middlesex | Sean Garballey (D) 99.4% | Unopposed | |
| House 24th Middlesex | David M. Rogers (D) 99.2% | Unopposed | |
| House 25th Middlesex | Marjorie Decker (D) 99.4% | Unopposed | |
| House 26th Middlesex | Mike Connolly (D) 99% | Unopposed | |
| House 27th Middlesex | Denise Provost (D) 98.8% | Unopposed | |
| House 28th Middlesex | Joe McGonagle (D) 97.7% | Unopposed | |
| House 29th Middlesex | Jonathan Hecht (D) 99.2% | Unopposed | |
| House 30th Middlesex | Rich Haggerty (D) 69.8% | Claire Malaguti (R) 30.1% | |
| House 31st Middlesex | Mike Day (D) 57.9% | Caroline Colarusso (R) 36.5%, Kateen Kumar (I) 3.1% | |
| House 32nd Middlesex | Paul Brodeur (D) 98.1% | Unopposed | |
| House 33rd Middlesex | Steve Ultrino (D) 97.7% | Unopposed | |
| House 34th Middlesex | Christine Barber (D) 98.6% | Unopposed | |
| House 35th Middlesex | Paul J. Donato, Sr. (D) 98.2% | Unopposed | |
| House 36th Middlesex | Colleen Garry (D) 60.9% | Raymond Leczynski (R) 35.4% | |
| House 37th Middlesex | Jennifer Benson (D) 98.7% | Unopposed | |
| House Barnstable, Dukes and Nantucket | Dylan Fernandes (D) 98.9% | Unopposed | |
| Senate 1st Bristol and Plymouth | Michael Rodrigues (D) 98.8% | Unopposed | |
| Senate 1st Essex | Diana DiZoglio (D) 66.3% | Alexander Leighton Williams (R) 33.7% | |
| Senate 1st Essex and Middlesex | Bruce Tarr (R) 98% | Unopposed | |
| Senate 1st Hampden and Hampshire | Eric Philip Lesser (D) 97.9% | Unopposed | |
| Senate 1st Middlesex | Edward Kennedy (D) 63.87% | John A. Macdonald (R) 36.11% | |
| Senate 1st Middlesex and Norfolk | Cynthia Creem (D) 99% | Unopposed | |
| Senate 1st Plymouth and Bristol | Marc Pacheco (D) 98.3% | Unopposed | |
| Senate 1st Suffolk | Nick Collins (D) 98.5% | Donald Osgood Sr. (D) 0% | |
| Senate 1st Suffolk and Middlesex | Joseph A. Boncore (D) 98.4% | Unopposed | |
| Senate 1st Worcester | Harriette Chandler (D) 97.7% | Unopposed | |
| Senate 2nd Bristol and Plymouth | Mark Montigny (D) 98.4% | Unopposed | |
| Senate 2nd Essex | Joan Lovely (D) 98.8% | Unopposed | |
| Senate 2nd Essex and Middlesex | Barry Finegold (D) 62.8% | Joseph M. Espinola, III (R) 37.1% | |
| Senate 2nd Hampden and Hampshire | Donald F. Humason, Jr. (R) 97.9% | Unopposed | |
| Senate 2nd Middlesex | Patricia D. Jehlen (D) 98.8% | Unopposed | |
| Senate 2nd Middlesex and Norfolk | Karen Spilka (D) 98.7% | Unopposed | |
| Senate 2nd Plymouth and Bristol | Michael D. Brady (D) 66.4% | Scott Hall (R) 33.4% | |
| Senate 2nd Suffolk | Sonia Chang-Diaz (D) 98.9% | Unopposed | |
| Senate 2nd Suffolk and Middlesex | William N. Brownsberger (D) 98.5% | Unopposed | |
| Senate 2nd Worcester | Michael O. Moore (D) 98.8% | Unopposed | |
| Senate 3rd Essex | Brendan Crighton (D) 98.8% | Unopposed | |
| Senate 3rd Middlesex | Michael J. Barrett (D) 98.9% | Unopposed | |
| Senate 4th Middlesex | Cindy Friedman (D) 98.9% | Unopposed | |
| Senate 5th Middlesex | Jason Lewis (D) 67% | Erin Calvo-Bacci (R) 32.9% | |
| Senate Berkshire, Hampshire, Franklin and Hampden | Adam G. Hinds (D) 99.5% | Unopposed | |
| Senate Bristol and Norfolk | Paul Feeney (D) 60.5% | Jacob Ventura (R) 39.4% | |
| Senate Cape and Islands | Julian Cyr (D) 62.1% | John Flores (R) 37.9% | |
| Senate Hampden | James Welch (D) 98.3% | Unopposed | |
| Senate Hampshire, Franklin and Worcester | Joanne M. Comerford (D) 99.3% | Unopposed | |
| Senate Middlesex and Suffolk | Sal DiDomenico (D) 99.1% | Unopposed | |
| Senate Middlesex and Worcester | James B. Eldridge (D) 65.1% | Margaret Busse (R) 32.7%, Terra Friedrichs (I) 2.1% | |
| Senate Norfolk and Plymouth | John Keenan (D) 75.5% | Alexander Mendez (I) 24.1% | |
| Senate Norfolk and Suffolk | Michael F. Rush (D) 98.7% | Unopposed | |
| Senate Norfolk, Bristol and Middlesex | Becca Rausch (D) 51.2% | Richard J. Ross (R) 48.6% | Flipped R to D; Incumbent defeated |
| Senate Norfolk, Bristol and Plymouth | Walter F. Timilty, Jr. (D) 99.1% | Unopposed | |
| Senate Plymouth and Barnstable | Vinny deMacedo (R) 58.8% | Deborah Rudolf (D) 41.2% | |
| Senate Plymouth and Norfolk | Patrick O'Connor (R) 50.6% | Katie L. Mcbrine (D) 43.9%, Stephen Gill (R) 5.4% | |
| Senate Worcester and Middlesex | Dean Tran (R) 54.3% | Susan Chalifoux-Zephir (D) 45.7% | |
| Senate Worcester and Norfolk | Ryan Fattman (R) 57.9% | Thomas M. Merolli (D) 42% | |
| Senate Worcester, Hampden, Hampshire and Middlesex | Anne Gobi (D) 54.9% | Steven R. Hall (R) 45.1% | |