Massachusetts State House 31st Middlesex District
Tue, Nov 3 · Represented by Mike Day Democratic · Member list as of Oct 28
Last result · 2024 general: Mike Day (D) 99.1
- Earlier results
- Mike Day (Democratic) won by 42.1 points, 2022Mike Day (Democratic) won by 43.1 points, 2020, older linesAll 29 elections
Past results
- Votes for listed candidates
- 16,910
- Election day
- November 5, 2024
- District map
- Same as today
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticMike DayWonName as filed: Michael Seamus Day Democratic 16,75399.1% Scattered write-ins Write-in 1570.9% - Votes for listed candidates
- 17,672
- Election day
- November 8, 2022
- District map
- Same as today
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticMike DayWon(incumbent)Name as filed: Michael Seamus Day Democratic 12,52770.9% OtherTheodore Christos Menounos Other 5,07928.7% Scattered write-ins Write-in 660.4% - Votes for listed candidates
- 24,482
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticMike DayWon(incumbent)Name as filed: Michael Seamus Day Democratic 17,47971.4% OtherElizabeth R. Harrah Other 6,92128.3% Scattered write-ins Write-in 820.3% - Votes for listed candidates
- 21,887
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticMichael Seamus DayWon(incumbent) Democratic 13,00059.4% RepublicanCaroline Colarusso Republican 8,19537.4% IndependentKateen R. Kumar Independent 6923.2%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
- 1968 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Last contest in this district on file: 2024.
All elections (29 for this seat)
- Votes for listed candidates
- 16,910
- Election day
- November 5, 2024
- District map
- Same as today
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticMike DayWonName as filed: Michael Seamus Day Democratic 16,75399.1% Scattered write-ins Write-in 1570.9% - Votes for listed candidates
- 17,672
- Election day
- November 8, 2022
- District map
- Same as today
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticMike DayWon(incumbent)Name as filed: Michael Seamus Day Democratic 12,52770.9% OtherTheodore Christos Menounos Other 5,07928.7% Scattered write-ins Write-in 660.4% - Votes for listed candidates
- 24,482
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticMike DayWon(incumbent)Name as filed: Michael Seamus Day Democratic 17,47971.4% OtherElizabeth R. Harrah Other 6,92128.3% Scattered write-ins Write-in 820.3% - Votes for listed candidates
- 21,887
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticMichael Seamus DayWon(incumbent) Democratic 13,00059.4% RepublicanCaroline Colarusso Republican 8,19537.4% IndependentKateen R. Kumar Independent 6923.2% - Votes for listed candidates
- 24,700
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticMike DayWon(incumbent)Name as filed: Michael Seamus Day Democratic 14,52858.8% RepublicanCaroline Colarusso Republican 10,16341.1% Scattered write-ins Write-in 90.0% - Votes for listed candidates
- 18,029
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticMichael Seamus DayWon Democratic 9,27051.4% RepublicanCaroline Colarusso Republican 8,75948.6% - Votes for listed candidates
- 23,377
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticJason M. LewisWon(incumbent) Democratic 13,98959.8% RepublicanGeorge Georgountzos Republican 9,38840.2% - Votes for listed candidates
- 17,154
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticJason M. LewisWon(incumbent) Democratic 8,97052.3% RepublicanGeorge Georgountzos Republican 6,05335.3% IndependentMichael J. Rotondi Independent 2,13112.4% Scattered write-ins Write-in 00.0% - Votes for listed candidates
- 21,075
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticJason M. LewisWon Democratic 10,85851.5% RepublicanBrian P. Oconnor Republican 5,14724.4% IndependentChad Riley Independent 5,07024.1% - Votes for listed candidates
- 12,843
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticPaul C. CaseyWon(incumbent) Democratic 12,843100.0% - Votes for listed candidates
- 20,778
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticPaul C. CaseyWon(incumbent) Democratic 12,79661.6% RepublicanJohn M. Prindiville Republican 7,98238.4% - Votes for listed candidates
- 1,259
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticPaul C. CaseyWon(incumbent) Democratic 1,259100.0% - Votes for listed candidates
- 10,290
- Election day
- November 7, 2000
- District map
- Older district map (1994 to 2001)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticEdward G. ConnollyWon(incumbent) Democratic 10,290100.0% - Votes for listed candidates
- 8,852
- Election day
- November 3, 1998
- District map
- Older district map (1994 to 2001)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticEdward G. ConnollyWon(incumbent) Democratic 8,852100.0% - Votes for listed candidates
- 11,184
- Election day
- November 5, 1996
- District map
- Older district map (1994 to 2001)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticEdward G. ConnollyWon(incumbent) Democratic 11,184100.0% - Votes for listed candidates
- 9,910
- Election day
- November 8, 1994
- District map
- Older district map (1994 to 2001)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticEdward G. ConnollyWon(incumbent) Democratic 9,910100.0% - Votes for listed candidates
- 11,236
- Election day
- November 3, 1992
- District map
- Older district map (1988 to 1993)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticEdward G. ConnollyWon(incumbent) Democratic 11,236100.0% - Votes for listed candidates
- 10,509
- Election day
- November 6, 1990
- District map
- Older district map (1988 to 1993)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticEdward G. ConnollyWon Democratic 10,509100.0% - Votes for listed candidates
- 12,440
- Election day
- November 8, 1988
- District map
- Older district map (1988 to 1993)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticGeorge KeverianWon(incumbent) Democratic 12,440100.0% - Votes for listed candidates
- 7,685
- Election day
- November 4, 1986
- District map
- Older district map (1978 to 1987)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticMarie E. HoweWon(incumbent) Democratic 7,66999.8% Scattered write-ins Write-in 160.2% - Votes for listed candidates
- 12,644
- Election day
- November 6, 1984
- District map
- Older district map (1978 to 1987)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticMarie E. HoweWon(incumbent) Democratic 10,69884.6% OtherEdward A. Morrison Other 1,86114.7% Scattered write-ins Write-in 850.7% - Votes for listed candidates
- 10,386
- Election day
- November 2, 1982
- District map
- Older district map (1978 to 1987)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticMarie E. HoweWon(incumbent) Democratic 8,40480.9% OtherEdward A. Morrison Other 1,97219.0% Scattered write-ins Write-in 100.1% - Votes for listed candidates
- 9,753
- Election day
- November 4, 1980
- District map
- Older district map (1978 to 1987)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticMarie E. HoweWon(incumbent) Democratic 9,752100.0% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 10,481
- Election day
- November 7, 1978
- District map
- Older district map (1978 to 1987)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticMarie E. HoweWon(incumbent) Democratic 7,68173.3% RepublicanAlbert F. Medaglia Republican 2,79726.7% Scattered write-ins Write-in 30.0% - Votes for listed candidates
- 12,679
- Election day
- November 2, 1976
- District map
- Older district map (1974 to 1977)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticAnthony Michael GallugiWon(incumbent) Democratic 8,17464.5% RepublicanJohn J. McNulty Republican 4,50535.5% - Votes for listed candidates
- 9,333
- Election day
- November 4, 1974
- District map
- Older district map (1974 to 1977)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticAnthony Michael GallugiWon(incumbent) Democratic 5,35357.4% IndependentJohn J. McNulty Independent 2,26924.3% RepublicanRalph L. Leblanc Republican 1,71118.3% - Votes for listed candidates
- 29,913
- Election day
- November 7, 1972
- Seats
- 2
- District map
- Older district map (1968 to 1973)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticCornelius F. KiernanWon(incumbent) Democratic 13,84846.3% DemocraticPhilip L. SheaWon Democratic 13,38444.7% IndependentStanley W. Norkunas Jr. Independent 2,6819.0% - Votes for listed candidates
- 24,816
- Election day
- November 3, 1970
- Seats
- 2
- District map
- Older district map (1968 to 1973)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share DemocraticPaul J. SheehyWon(incumbent) Democratic 12,55750.6% DemocraticCornelius F. KiernanWon(incumbent) Democratic 12,25949.4% - Votes for listed candidates
- 30,178
- Election day
- November 5, 1968
- Seats
- 2
- District map
- Older district map (1968 to 1973)
Massachusetts House of Representatives, 31st Middlesex District, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share DemocraticCornelius F. KiernanWon(incumbent) Democratic 15,47951.3% DemocraticPaul J. SheehyWon(incumbent) Democratic 14,69948.7%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
More about this race
Source: sec.state.ma.us, dated Oct 28
District map
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
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Official results for Massachusetts
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Cite this page
Election Wrld. (2026). Massachusetts State House 31st Middlesex District, election results 1968 to 2024. https://www.electionwrld.com/ma/house/31st-middlesex. Retrieved October 31, 2026.
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<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026