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Massachusetts · Massachusetts House of Representatives: 31st Middlesex District · Updated Oct 16, 2026

Michael S. Day

DemocraticIncumbent

Electoral history

Earlier races in Massachusetts, newest first, matched by name in the results archive.

  1. 2024

    House of Representatives · HD-89 Nov 5, 2024

    D · 100.0% · 16,753 votes

    Won
  2. 2022

    House of Representatives · HD-1 Nov 8, 2022

    D · 21.0% · 12,527 votes

    Lost
  3. 2020

    House of Representatives · HD-89 Nov 3, 2020

    D · 71.6% · 17,479 votes

    Won
  4. 2018

    House of Representatives · HD-148 Nov 6, 2018

    D · 33.3% · 13,000 votes

    Won
  5. 2016

    House of Representatives · HD-148 Nov 8, 2016

    D · 32.0% · 14,528 votes

    Won
  6. 2014

    House of Representatives · HD-89 Nov 4, 2014

    D · 51.4% · 9,270 votes

    Won
  7. 2014

    House of Representatives · HD-89 primary · Sep 9, 2014

    D · 57.0% · 2,940 votes

    Won

Opponents in 2026