Senator
Jeff Irwin
| Seat | Senate District 15 |
|---|---|
| Party | Democratic |
| Capitol office | Room 5100 · Binsfeld Office Building |
| Mailing address | Room 5100, Binsfeld Building P.O. Box 30036, Lansing, MI 48909 |
| Capitol phone | 517-373-2406 |
| Write to | senjirwin@senate.michigan.gov (official address) |
| Hometown | Ann Arbor |
| Tenure | Serving since January 1, 2019 (also served House 2011 to 2016) |
| Term limited | 2026 |
Committees 5
- Senate Finance, Insurance and Consumer Protection Committee Democratic vice chair standing
- Senate Housing and Human Services Committee Chair standing
- Senate Appropriations Committee standing
- Senate Civil Rights, Judiciary and Public Safety Committee standing
- Senate Education Committee standing
Bills, 2025 to 2026 session 59 as principal author · 172 as coauthor
- MeasureTitleStatusMomentum
- SB 105Insurance: health insurers; methods of payments and reimbursements for dental benefits; provide for. Amends 1956 PA 218…Enacted100
- SB 18Children: foster care; conditions on the use of certain benefits for a child in foster care; provide. Amends 1994 PA…Enacted100
- SB 585Probate: guardians and conservators; requirement to have an appraisal for the sale of real property; provide for.…Enacted100
- SB 966Housing: housing development authority; housing opportunity tax credit program; establish and administer. Amends sec.…Enacted100
- SB 1137Civil procedure: execution; procedures for collection of judgments; revise. Amends & adds (See bill).In committee48
- SB 980Consumer protection: other; cryptocurrency kiosks; prohibit the installation and operation of. Creates new act.Out of committee42
- SB 46Water supply: systems; mobile home park water delivery systems; regulate. Amends secs. 2, 3 & 15 of 1976 PA 399 (MCL…In committee37
- SB 1035Criminal procedure: DNA; postconviction DNA testing; modify. Amends sec. 16, ch. X of 1927 PA 175 (MCL 770.16).Out of committee36
- SJR OLegislature: other; presentation of enrolled bills to governor; require within a certain time period. Amends sec. 33…In committee36
- SB 114Disabilities: other; vulnerable adult multidisciplinary teams; provide for. Creates new act.In committee36
- SB 328Insurance: automobile; rate reductions; require. Amends 1956 PA 218 (MCL 500.100 - 500.8302) by adding sec. 2111g.Out of committee34
- SB 256Criminal procedure: sentencing guidelines; sentencing guidelines for tampering with utility shutoff to residence; amend…Out of committee34
- SB 329Insurance: no-fault; penalties for lapse of insurance policy; eliminate. Amends secs. 2116b, 2118 & 2120 of 1956 PA 218…Out of committee34
- SB 220Mental health: other; hospital evaluations for assisted outpatient treatment; expand. Amends secs. 206a & 429 of 1974…In committee33
- SB 399Controlled substances: drug paraphernalia; definition of drug paraphernalia; modify. Amends sec. 7451 of 1978 PA 368…In committee32
All 59 bills as principal author ›
Coauthor of SB 1013, SB 158, SB 349, SB 586, SCR 10, SCR 12, SCR 13, SCR 16, SCR 5, SCR 6, SCR 8, SR 10 and 160 more.
Bills and sponsors: Open States bulk data (public domain dedication), 2026-11-public.pgdump; status is read from the official actions. About the momentum score
Effectiveness 103rd Legislature, 2025 to 2026
68th percentile
| Bills & joint resolutions authored | 57 |
|---|---|
| … passed committee / chamber / both | 33 / 15 / 4 |
| … became law | 4 |
| Carried in the other chamber (became law) | 0 (0) |
| Points vs. Senate majority average | 91 ÷ 76.75 = 1.19 |
| Most-authored topics | Business, jobs & the economy (18), Children, families & social services (13), Energy & utilities (9) |
Senate rankings · How the score works. A count of bill progress, not a judgment of the member's work.
Closest allies co-authorship, 2025 to 2026
Most bills written together
- Sue Shink DSenate 14 146
- Rosemary Bayer DSenate 13 145
- Stephanie Chang DSenate 3 141
- Mallory McMorrow DSenate 8 115
- Mary Cavanagh DSenate 6 109
- Erika Geiss DSenate 1 92
- Dayna Polehanki DSenate 5 72
- Veronica Klinefelt DSenate 11 59
- Sylvia Santana DSenate 2 51
- Jeremy Moss DSenate 7 47
“Written together” = 2025 to 2026 session bills and joint resolutions on which both are principal author or coauthor (measures with more than 60 sponsors are left out). Sharing bills does not imply a personal or political alliance.
District 15
- Counties
- Lenawee, Washtenaw
- Find your district
- Who represents me?
- House members sharing a county
- Jason Morgan (23), Will Bruck (30), Reggie Miller (31), Jimmie Wilson (32), Morgan Foreman (33), Nancy Jenkins-Arno (34), Kathy Schmaltz (46), Carrie Rheingans (47), Jennifer Conlin (48)
Official district map: see the official Senate page.
Lobbyist reports naming this member 2025 to 2026
No lobbyist expenditure reports naming this member are in our data.
Registered lobbyists and the organizations they represent are on our sister site, the Michigan Lobby Guide.
A reported expenditure is a legal, disclosed activity and does not imply wrongdoing.
Source
Copied from https://senatedems.com/irwin on November 2, 2026, through Open States people data (CC0), checked against official legislature rosters. Not endorsed by the Michigan State Senate.