Senator
Jason Plummer
| Seat | Senate District 55 |
|---|---|
| Party | Republican |
| Capitol office | Room 309-L · State Capitol |
| Mailing address | Room 309-L, Capitol Building, Springfield, IL 62706 |
| Capitol phone | 217-782-5755 |
| Legislative assistant | Sarah Hessenauer |
| Write to | senator@senatorjasonplummer.com (office address in the official directory) |
| Hometown | Edwardsville |
| Tenure | Serving since 2019 |
| Term limited | No term limits |
Committees 7
- Senate Executive Appointments Committee Republican spokesperson standing
- Senate Financial Institutions Committee Republican spokesperson standing
- Senate Appropriations-Public Safety and Infrastructure Committee standing
- Senate Commerce Committee standing
- Senate Environment and Conservation Committee standing
- Senate Health and Human Services Committee standing
- Senate Insurance Committee standing
Bills, 104th General Assembly 46 as principal author · 171 as coauthor
- MeasureTitleStatusMomentum
- HB 4654Human trafficking-signsEnacted100
- SR 587Congrats-kaskaskia collegeEnacted100
- HB 2044Government-techIn committee34
- HB 4891Dept vet aff-service officersOut of committee33
- SJR 53Sgt. levi ridgley mem hgwyOut of committee27
- SB 1051Local government-techOut of committee22
- SB 2362Cd corr-drug screeningIntroduced11
- SB 3983No private pay for public workIn committee8
- SB 3984Elec-political committee fundsIn committee7
- SB 2361Human traffickingIntroduced5
- SB 2355No private pay for public workIntroduced3
- SB 3986Motor fuel-cpi adjustmentIntroduced1
- SB 3995Critical asset protectionIntroduced1
- SJR 20Sgt. levi ridgley mem roadIntroduced0
- SR 830Congrats-ryan gower, ph.d.Introduced0
All 46 bills as principal author ›
Coauthor of HB 1149, HB 1699, HB 1710, HB 2137, HB 2270, HB 2442, HB 2456, HB 2801, HB 3011, HB 3140, HB 3275, HB 3281 and 159 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 104th General Assembly, 2025 to 2026
10th percentile
| Bills & joint resolutions authored | 40 |
|---|---|
| … passed committee / chamber / both | 2 / 2 / 0 |
| … became law | 0 |
| Carried in the other chamber (became law) | 3 (1) |
| Points vs. Senate minority average | 10 ÷ 31.24 = 0.32 |
| Most-authored topics | Transportation & vehicles (5), Criminal justice & public safety (4), Budget & taxes (3) |
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
- Chris Balkema RSenate 53 79
- Sally Turner RSenate 44 78
- Jil Tracy RSenate 50 61
- Craig Wilcox RSenate 32 57
- Erica Harriss RSenate 56 54
- Terri Bryant RSenate 58 54
- Don DeWitte RSenate 33 50
- Dave Syverson RSenate 35 47
- Seth Lewis RSenate 24 46
- Li Arellano RSenate 37 41
“Written together” = 104th General Assembly 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 55
- Counties
- Bond, Clay, Clinton, Effingham, Fayette, Madison, Marion, Montgomery, Richland, St. Clair, Washington
- Find your district
- Who represents me?
- House members sharing a county
- C.D. Davidsmeyer (100), Adam Niemerg (102), Brad Halbrook (107), Wayne Rosenthal (108), Charlie Meier (109), Blaine Wilhour (110), Amy Elik (111), Katie Stuart (112), Jay Hoffman (113), Kevin Schmidt (114), David Friess (115), Dave Severin (116)
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 Illinois Lobby Guide.
A reported expenditure is a legal, disclosed activity and does not imply wrongdoing.
Source
Copied from https://www.ilga.gov/Senate/Members/Details/3344 on November 2, 2026, through Open States people data (CC0), checked against official legislature rosters. Not endorsed by the Illinois State Senate.