Roger Hauck
Michigan State Senator, District 34 since 2022. Ran in 4 elections between 2016 and 2022, winning 4. Re-elected in 2026. Next on the ballot in 2030.
Michigan State Senator, District 34Born 1961
- In office
- 3 yrs
- Since 2022
- Bills became law
- 2
- 19 sponsored, 2025–2026 session
- Votes missed
- 1.2%
- Chamber median 1.5%
- With party
- 94%
- On votes splitting the parties
- Last margin
- +26.9
- Won 2026
- Next election
- 2030
- Nov 5, 2030
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET
Committees
As of 2026-10.
- Regulatory Affairs · republican vice chair
- Energy and Environment
- Health Policy
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Liquor: other · Became law Dec 2025
Children: child care · Became law Dec 2025
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Hauck sits in the Michigan State Senate
Hauck is closer to the center than 47% of the chamber's Republicans.
Closest: Ruth Johnson, Aric Nesbitt, Jon Bumstead
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:53 PM ET
With Hauck’s party
- Votes with the chamber's Republicans94%
- Cosponsorships of the other party's bills31%
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: Hauck’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Hauck | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Sep 9, 2026 | HB 5482: State agencies (existing): generally; plans to correct audit recommendations; require… | No | No | Yes | Passed 24–10 |
| Sep 9, 2026 | SB 729: State finance: authorities; outstanding obligations of the state building authority;… | No | No | Yes | Passed 24–10 |
| Jul 3, 2026 | SB 1052: Human services: medical services; definition of kickbacks or bribes; modify. Amends sec.… | No | No | Yes | Passed 22–14 |
| Jul 3, 2026 | SB 569: Health: funding; various fees under the public health code; transfer and deposit into the… | No | No | Yes | Passed 21–15 |
| Jul 3, 2026 | HB 5630: Appropriations: school aid omnibus; fiscal year 2026-2027 appropriations for K-12 school… | No | No | Yes | Passed 25–11 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Hauck was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
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 State Senate, District 34 | Won | R+26.9 | R+31.5 | −4.6 |
| 2022 | Michigan State Senate, District 34 | Won | R+31.1 | — | — |
| 2020 | Michigan House of Representatives, District 99 | Won | R+24.5 | — | — |
| 2018 | Michigan House of Representatives, District 99 | Won | R+6.9 | — | — |
| 2016 | Michigan House of Representatives, District 99 | Won | R+9.1 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Seats Hauck has held
- Michigan State Senate, District 34 · since 2022
- Michigan House of Representatives, District 99 · 2016–2022
Source: 99chambers results archive
Who Hauck has run against
- Tyler Landgraf (D) · 2026 election, won
- Christine Gerace (D) · 2022 election, won
- John Zang (D) · 2020 election, won
- Kristen Brown (D) · 2018 election, won
- Bryan Mielke (D) · 2016 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Hauck
One person, matched across every source we use.
- Open States ocd-person/b6d8b86d-2975-4d07-83fe-a1841f39806b
- Wikidata Q63125585
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET