The 2020 Massachusetts House of Representatives election took place on November 3, 2020. It elected members of the Massachusetts House of Representatives. Democrats achieved a net gain of 2 seats. One independent, Susannah Whipps, was also elected. Incumbent Speaker Robert DeLeo won re-election but resigned before the new session to take a position at Northeastern University; Ronald Mariano replaced him as Speaker.
Seats where the margin of victory was under 10%:
https://malegislature.gov/Legislators/Leadership/House