RepublicanIn office since Nov 2022

John Damoose

Michigan State Senator, District 37 since 2022. Re-elected in 2026. Next on the ballot in 2030.

Michigan State Senator, District 37

Official website Wikipedia

In office: 3 yrs; Since 2022
Bills became law: 2; 40 sponsored, 2025–2026 session
Votes missed: 3.2%; Chamber median 1.5%
With party: 65%; On votes splitting the parties
Last margin: +9.0; Won 2026
Next election: 2030; Nov 5, 2030

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET

Committees

As of 2026-10.

Education · republican vice chair
Appropriations
Energy and Environment
Housing and Human Services

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 40 sponsored · 2 became law

BillIntroCmteSenateHouseLaw

SB 71 Highways: bridges; Mackinac Bridge; designate as a key facility. Amends sec. 552c of 1931 PA 328 (MCL…
Highways: bridges · Became law Jul 2026

SB 304 Transportation: other; Charter of City of Mackinac Island; amend; regulation of ferries; provide for. Amends…
Cities: other · Became law Jun 2026

SB 41 Highways: memorial; portion of M-22; designate as the "Company K Indian Veterans 1st Michigan Sharpshooters…
Highways: memorial · Passed Senate Feb 2026

SB 521 Criminal procedure: sentencing guidelines; sentencing guidelines for individual 16 years of age or less in…
Crimes: prostitution · Passed Senate Jan 2026

SB 520 Crimes: prostitution; penalties for individual 16 years of age or less in house of prostitution; modify.…
Crimes: penalties · Passed Senate Jan 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Damoose sits in the Michigan State Senate

Damoose is closer to the center than 82% of the chamber's Republicans.

Closest: Mark Huizenga, Michael Webber, Roger Victory

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:53 PM ET

With Damoose’s party

Votes with the chamber's Republicans65%
Cosponsorships of the other party's bills54%

Black tick: the average of Republicans in the Michigan State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Damoose’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

Date	Bill	Damoose	Rep. majority	Dem. majority	Result
Sep 9, 2026	HB 5482: State agencies (existing): generally; plans to correct audit recommendations; require…	Yes	No	Yes	Passed 24–10
Sep 9, 2026	SB 729: State finance: authorities; outstanding obligations of the state building authority;…	Yes	No	Yes	Passed 24–10
Jul 3, 2026	SB 1052: Human services: medical services; definition of kickbacks or bribes; modify. Amends sec.…	Yes	No	Yes	Passed 22–14
Jul 3, 2026	SB 569: Health: funding; various fees under the public health code; transfer and deposit into the…	Yes	No	Yes	Passed 21–15
Jul 3, 2026	HB 5630: Appropriations: school aid omnibus; fiscal year 2026-2027 appropriations for K-12 school…	Yes	No	Yes	Passed 25–11

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Damoose was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

202020212022202320242025202620272028Michigan House of Representatives, District 107 Michigan State Senate, District 37

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

Year	Race	Result	Margin	Seat	+/−
2026	Michigan Senate District 37	Won	R+9.0	R+11.0	−2.0
2022	Michigan State Senate, District 37	Won	R+12.9	—	—
2020	Michigan House of Representatives, District 107	Won	R+21.7	—	—