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Official portrait of Willie Preston

Photo: Illinois General Assembly. Source.

16Senate
District

Senator

Willie Preston

SeatSenate District 16
PartyDemocratic
Capitol officeRoom 537 · State Capitol
Mailing addressRoom 537, Capitol Building, Springfield, IL 62706
Capitol phone217-782-1607
Legislative assistantJames Jones
HometownChicago
TenureServing since 2023
Term limitedNo term limits

Committees 7

Bills, 104th General Assembly 109 as principal author · 133 as coauthor

All 109 bills as principal author ›

Coauthor of HB 1312, HB 1373, HB 1697, HB 1699, HB 1810, HB 1836, HB 2456, HB 2977, HB 3144, HB 3352, HB 3363, HB 3711 and 121 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

0.4849th of 59 in the Senate
18th percentile
Bills & joint resolutions authored69
… passed committee / chamber / both6 / 6 / 4
… became law3
Carried in the other chamber (became law)15 (5)
Points vs. Senate majority average64 ÷ 132.55 = 0.48
Most-authored topicsBudget & taxes (19), Business, jobs & the economy (15), Schools (K-12) (11)

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

“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 16

Counties
Cook
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House members sharing a county
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)
Senate District 16 and neighboursSenate District 1: Javier Cervantes (D)Senate District 3: Mattie Hunter (D)Senate District 4: Kimberly Lightford (D)Senate District 5: Lakesia Collins (D)Senate District 11: Mike Porfirio (D)Senate District 12: Celina Villanueva (D)Senate District 13: Robert Peters (D)Senate District 14: Emil Jones (D)Senate District 15: Napoleon Harris (D)Senate District 16: Willie Preston (D)Senate District 17: Elgie Sims (D)Senate District 18: Bill Cunningham (D)Senate District 19: Mike Hastings (D)Senate District 23: Suzy Glowiak Hilton (D)Senate District 41: John Curran (R)CookDuPageWill13451112131415161718192341
District 16 outlined; neighbours link to their members. Full map › · Census 2024 boundaries, simplified.

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/3405 on November 2, 2026, through Open States people data (CC0), checked against official legislature rosters. Not endorsed by the Illinois State Senate.

Sources for this page

Copied from public pages of the Illinois House of Representatives and the Illinois State Senate, through Open States people data (CC0), checked against official legislature rosters. Neither Illinois Capitol Guide nor this information, as presented here, is endorsed by the Illinois House of Representatives or the Illinois State Senate.