Senator
Mark Walker
| Seat | Senate District 27 |
|---|---|
| Party | Democratic |
| Capitol office | Section F, Room H · Stratton Office Building |
| Mailing address | Section F, Room H, Stratton Office Building, Springfield, IL 62706 |
| Capitol phone | 217-782-4471 |
| Legislative assistant | Patty Williams |
| Hometown | Arlington Heights |
| Tenure | Serving since 2024 (also served House 2009 to 2011, 2019 to 2024) |
| Term limited | No term limits |
Committees 7
- Senate Financial Institutions Committee Chair standing
- Senate Revenue Committee Vice chair standing
- Senate Appropriations-Education Committee standing
- Senate Environment and Conservation Committee standing
- Senate Human Rights Committee standing
- Senate Insurance Committee standing
- Senate Pensions Committee standing
Bills, 104th General Assembly 25 as principal author · 222 as coauthor
- MeasureTitleStatusMomentum
- HB 5384Financial reg-fees-investigateEnacted100
- SR 819Congrats-lazaro lopez, ed.d.Enacted100
- SB 1797Digital assets & cons prot actEnacted100
- HB 1605Real prop conservation rightsEnacted100
- SB 1777Banking&probate-finance/noticeEnacted100
- SB 2457Collection agency actEnacted100
- HB 742Regulation-techEnacted100
- SJR 21Adjourn house & senatePassed a chamber41
- HB 1918Joint self-insuranceOut of committee35
- HB 2493Marriage license video appearOut of committee29
- HB 2754Muni cd-zoning-votingOut of committee24
- HB 5119Pen cd-pension fund regulationOut of committee22
- SB 2290Use/occ tx-quantum computingIn committee18
- SB 1538Renewable energy-small reactorIn committee17
- SB 2458Dceo-quantum informationIn committee17
All 25 bills as principal author ›
Coauthor of HB 1075, HB 1085, HB 1312, HB 1367, HB 1430, HB 1710, HB 1806, HB 1836, HB 22, HB 2436, HB 2688, HB 3247 and 210 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
11th percentile
| Bills & joint resolutions authored | 17 |
|---|---|
| … passed committee / chamber / both | 4 / 4 / 4 |
| … became law | 3 |
| Carried in the other chamber (became law) | 7 (3) |
| Points vs. Senate majority average | 47 ÷ 132.55 = 0.35 |
| Most-authored topics | Budget & taxes (5), Business, jobs & the economy (4), Courts & civil law (1) |
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
- Mary Edly-Allen DSenate 31 128
- Rachel Ventura DSenate 43 122
- Graciela Guzmán DSenate 20 117
- Karina Villa DSenate 25 106
- Mike Simmons-Gessesse DSenate 7 97
- Javier Cervantes DSenate 1 89
- Mike Porfirio DSenate 11 83
- Robert Peters DSenate 13 74
- Dave Koehler DSenate 46 73
- Mattie Hunter DSenate 3 71
“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 27
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- Aarón Ortíz (1), Lisa Hernandez (2), Eva-Dina Delgado (3), Lilian Jiménez (4), Kimberly Du Buclet (5), Sonya Harper (6), Chris Welch (7), La Shawn Ford (8), Yolonda Morris (9), Omar Williams (10), Ann Williams (11), Margaret Croke (12), Hoan Huynh (13), Kelly Cassidy (14), Michael Kelly (15), Kevin Olickal (16), Jen Gong-Gershowitz (17), Robyn Gabel (18), Lindsey LaPointe (19), Brad Stephens (20), Abdelnasser Rashid (21), Angie Guerrero-Cuellar (22), Edgar González (23), Theresa Mah (24), Curtis Tarver (25), Kam Buckner (26), Justin Slaughter (27), Bob Rita (28), Thaddeus Jones (29), Will Davis (30), Mike Crawford (31), Lisa Davis (32), Marcus Evans (33), Nick Smith (34), Mary Gill (35), Rick Ryan (36), Patrick Sheehan (37), Debbie Meyers-Martin (38), Will Guzzardi (39), Jaime Andrade (40), Anna Moeller (43), Fred Crespo (44), Jennifer Sanalitro (48), Maura Hirschauer (49), Nabeela Syed (51), Marty McLaughlin (52), Nicolle Grasse (53), Mary Beth Canty (54), Justin Cochran (55), Michelle Mussman (56), Tracy Katz Muhl (57), Bob Morgan (58), Dan Didech (59), Norma Hernandez (77), Camille Lilly (78), Anthony DeLuca (80), Nicole La Ha (82)
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/3449 on November 2, 2026, through Open States people data (CC0), checked against official legislature rosters. Not endorsed by the Illinois State Senate.