# Mike Day

Mike Day is a Democratic member of the Massachusetts House for district 31st Middlesex.

- Party: Democrat
- Seat: Massachusetts House, district 31st Middlesex
- Serving since: 2015-01-07
- Current term: MA 2025–26 session
- Open States ID: ocd-person/2e198563-4aeb-499b-8333-b4a46b605491

Source: https://americaspoliticalpulse.com/p/2e198563-4aeb-499b-8333-b4a46b605491 (America’s Political Pulse, Polarization Research Lab), data through 2026-10-27. Data under CC BY 4.0. Cite as: Westwood, Sean J., and Yphtach Lelkes. 2024. America's Political Pulse [data set].

## Headline

Day sits at −1.05 on the CSIP scale, more liberal than 93% of State House Democrats.

## Ideology (CSIP)

CSIP score −1.05 (standard error 0.03), from 691 donors and 133 roll calls. Negative is left of 0, positive right of it, on one scale for every official. 7.4% of State House Democrats score lower.

## Votes (MA 2025–26 session)

234 roll calls. Attendance 97.8% (Massachusetts House 97.4%). Party unity 100% (98.5%). 0 votes against the party majority.

Key votes:

- 2026-07-22 · voted yea · H. 5595 On Engrossment · H 5595 An Act prioritizing patient access to care · pass · https://openstates.org/ma/bills/194th/H5595/
- 2026-07-22 · voted yea · S. 2735 On Enactment Land Taking · S 2735 An Act dissolving the North Carver water district · pass · https://openstates.org/ma/bills/194th/S2735/
- 2026-07-22 · voted yea · H. 5388 On Enactment Land Taking · H 5388 An Act authorizing the transfer of a certain parcel of land in the town of Marion from the Open Space Acquisition Commission to the Select Board · pass · https://openstates.org/ma/bills/194th/H5388/
- 2026-07-15 · voted yea · H. 2250 , changed On Enactment Land Taking · H 2250 An Act dissolving the Whately Water District · pass · https://openstates.org/ma/bills/194th/H2250/
- 2026-07-08 · voted yea · H. 5569 On passing to be engrossed · H 5569 An Act relative to property tax classifications in the city of Watertown for fiscal year 2027 and subsequent fiscal years · pass · https://openstates.org/ma/bills/194th/H5569/
- 2026-07-08 · voted yea · H. 5562 On adoption of consolidated amendment A · H 5562 An Act relative to economic development in the commonwealth · pass · https://openstates.org/ma/bills/194th/H5562/
- 2026-07-01 · voted yea · H. 5555 On Enactment Land Taking · H 5555 An Act making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities… · pass · https://openstates.org/ma/bills/194th/H5555/
- 2026-07-01 · voted yea · S. 3106 On Engrossment · S 3106 An Act relative to toxic-free medical devices · pass · https://openstates.org/ma/bills/194th/S3106/
- 2026-07-01 · voted yea · H. 5555 On acceptance of conference report · H 5555 An Act making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities… · pass · https://openstates.org/ma/bills/194th/H5555/
- 2026-06-17 · voted not voting · H. 5511 On acceptance of conference report · H 5511 An Act relative to teacher preparation and student literacy · pass · https://openstates.org/ma/bills/194th/H5511/

## Legislation (MA 2025–26 session)

Sponsored 72 bills: 72 reached committee, 2 passed one chamber, 1 passed both, 1 became law. Cosponsored 20. 2.8% of sponsored bills got out of committee (Massachusetts House 4.0%; rank 62 of 147).

Recent sponsored bills:

- HD 5767: An Act establishing MassQuantum (in committee, 2026-05-14) https://openstates.org/ma/bills/194th/HD5767/
- H 5436: An Act establishing MassQuantum (in committee, 2026-08-06) https://openstates.org/ma/bills/194th/H5436/
- H 2798: An Act establishing a sick leave bank for Kendra Winner (passed one chamber, 2025-08-21) https://openstates.org/ma/bills/194th/H2798/
- H 4376: Order relative to extending until Wednesday, December 3, 2025 the time within which the committee on the Judiciary is authorized to report on current House… (in committee, 2025-08-07) https://openstates.org/ma/bills/194th/H4376/
- H 64: Proposal for a legislative amendment to the Constitution for a Constitutional right to health care (in committee, 2025-10-14) https://openstates.org/ma/bills/194th/H64/
- HD 3841: Proposal for a legislative amendment to the Constitution Proposal for a legislative amendment to the Massachusetts Constitution, for a Constitutional right… (in committee, 2025-03-03) https://openstates.org/ma/bills/194th/HD3841/
- HD 4024: Proposal for a legislative amendment to the Constitution for a Constitutional right to health care (in committee, 2025-03-03) https://openstates.org/ma/bills/194th/HD4024/
- H 65: Proposal for a legislative amendment to the Constitution for a Constitutional right to housing (in committee, 2025-05-01) https://openstates.org/ma/bills/194th/H65/
- HD 4036: Proposal for a legislative amendment to the Constitution for a Constitutional right to housing (in committee, 2025-03-03) https://openstates.org/ma/bills/194th/HD4036/
- H 70: Proposal for a legislative amendment to the Constitution for a Constitutional right to employable skills training (in committee, 2025-05-01) https://openstates.org/ma/bills/194th/H70/

## Campaign money (2026 cycle)

Itemized receipts $100.6K (State House Democrats median $40.4K). 98% of itemized individual money came from in state. Aggregates only; no individual donors.

## Links

- Official site: https://malegislature.gov/Legislators/Profile/MSD1
- Campaign site: https://electmikeday.com/
- X: https://x.com/mikeday4rep
- Facebook: https://www.facebook.com/electmikeday
- Instagram: https://www.instagram.com/repmikeday/

Full profile, with every chart and the methods: https://americaspoliticalpulse.com/p/2e198563-4aeb-499b-8333-b4a46b605491