Nonpartisan · Data from OpenStates / Plural Policy · Illinois
Jason Plummer
Republican · Senator

Jason Plummer

Represents District 55 in the State Senate.

Official site ↗ Email
Votes with Republicans
99%
on 218 party-line votes · Senate Republicans median 95%
Cast a vote
89%
Yea or Nay on 1,109 of 1,241 roll calls · Senate median 95%
Their bills that became law
2 of 46
as a primary sponsor, this session · Republicans median 12.5
Roll calls on record
1,241
104th General Assembly
Votes and bills updated Oct 4, 2026 from LegiScan (CC BY 4.0), which republishes the legislature’s own records. Profile details from OpenStates / Plural Policy. Figures cover 104th General Assembly.

How Jason Plummer votes

A party-line vote is a roll call where most voting Democrats and most voting Republicans took opposite sides. Absences and not-voting are never counted. Same method as our Congress pages.

Where Jason Plummer sits in the Senate

Each dot is one member of the Senate, placed by how often they voted on the Democratic side of party-line votes. Jason Plummer is circled.

Always on the Republican sideAlways on the Democratic side
Times they broke with their party

2 of 218 party-line votes.

SB0634 · LOCAL GOVERNMENT-TECH
Yea
Third Reading in Senate · 2025-04-10 · Passed 44–12 · most Republicans voted the other way
SB2285 · VEH CD-BICYCLE DEFINITION
Yea
Third Reading in Senate · 2025-04-10 · Passed 43–11 · most Republicans voted the other way
Closest votes they cast

Roll calls decided by the fewest votes, one per bill.

SB1950 · SANITARY FOOD PREPARATION
Nay
Senate Concurrence · 2025-10-30 · Passed 30–27
SB1859 · CLIMATE DISPLACEMENT ACT
Nay
Senate Environment and Conservation Committee · 2025-05-29 · Passed 6–3
SJR0039 · NAT. INFRASTRUCTURE BANK
Nay
Senate Financial Institutions Committee · 2025-05-28 · Passed 5–2
HB2516 · PFAS PRODUCT BAN
Nay
Senate Environment and Conservation Committee · 2025-05-22 · Passed 6–3
HB3248 · INS CD-LASER HAIR REMOVAL
Nay
Senate Insurance Committee · 2025-05-20 · Passed 8–5
Democrats they vote with most

Share of contested roll calls (the losing side got at least 10%) where both voted and landed on the same side. Unanimous votes are left out, because on those everyone agrees.

Patrick JoyceDemocrat · District 40 · 221 shared contested votes
15%
Meg Loughran CappelDemocrat · District 49 · 181 shared contested votes
8%
Doris TurnerDemocrat · District 48 · 195 shared contested votes
8%
Their session, month by month

Dark bars are roll calls they were recorded on each month; the red part is the ones without a Yea or Nay (132 in all). Gaps are months the chamber wasn’t voting.

2025-01: 2 roll calls, 1 without a Yea or Nay2025-02: 10 roll calls, 4 without a Yea or Nay2025-03: 41 roll calls, 22 without a Yea or Nay2025-04: 243 roll calls, 15 without a Yea or Nay2025-05: 395 roll calls, 49 without a Yea or Nay2025-10: 35 roll calls, 3 without a Yea or Nay2026-02: 18 roll calls, 4 without a Yea or Nay2026-03: 65 roll calls, 14 without a Yea or Nay2026-04: 117 roll calls, 1 without a Yea or Nay2026-05: 315 roll calls, 19 without a Yea or NayJan 2025May 2026
← Illinois Delegation
Their bills, from filing to law

Bills Jason Plummer was a primary sponsor of this session. Most bills from either party never leave committee; in Illinois many never get past the Assignments or Rules committee.

Introduced46
Out of committee6
Passed one chamber6
Passed both chambers2
Became law2
Never left committee40

For comparison, the median Republican member of the Senate has 12.5 bills that became law this session.

HUMAN TRAFFICKING-SIGNS
In plain English Requires the Department of Transportation to post human trafficking notices in all public restrooms at roadside rest areas.
Official synopsis: Amends the Human Trafficking Resource Center Notice Act. Requires that the Department of Transportation post a notice as required under the Act in all public restrooms of each roadside rest area.
Became lawPublic Act . . . . . . . . . 104-0670 · 2026-07-31
NO PRIVATE PAY FOR PUBLIC WORK
Amends the State Officials and Employees Ethics Act. Provides that no State employee may receive monetary or other compensation from any private party for work performed within the scope of his or her employment by a State agency. Effective immediately.
Not out of committeeAdded as Co-Sponsor Sen. Chris Balkema · 2026-07-20
ELEC-POLITICAL COMMITTEE FUNDS
Amends the Election Code. Prohibits a political committee from making expenditures for taxable compensation to an immediate family member of a public official or candidate. Defines "immediate family member" and "payments". Effective immediately.
Not out of committeeAdded as Co-Sponsor Sen. Chris Balkema · 2026-07-20
SGT. LEVI RIDGLEY MEM ROAD
Designates U.S. Highway 250 from the intersection of U.S. Highway 50 and Illinois Route 130 in Olney to 10 miles West of Olney on U.S. Highway 50 as the "Sgt. Levi Ridgley Memorial Road".
Not out of committeePursuant to Senate Rule 3-9(b) / Referred to Assignments · 2026-07-02
LOCAL GOVERNMENT-TECH
In plain English Allows emergency services districts to expand their boards from five to seven members or reduce from seven to five members through ordinance, proposition, or petition.
Official synopsis: Amends the Emergency Services Districts Act. Provides that any appointed or elected board of trustees of an emergency services district may provide for the establishment of a 7-member board of trustees by an ordinance or proposition or by a petition to electors of the district.…
Passed one chamberAlternate Chief Sponsor Changed to Rep. Charles Meier · 2026-05-31
CONGRATS-RYAN GOWER, PH.D.
Congratulates Ryan Gower, Ph.D. on his retirement as chancellor of Illinois Eastern Community Colleges. Thanks him for his many years of dedicated service to higher education and the people of Illinois. Wishes him continued success, happiness, and fulfillment in the years ahead.
Not out of committeeReferred to Assignments · 2026-05-29
GOVERNMENT-TECH
In plain English Raises the annual sales threshold for construction businesses to qualify as small businesses from $14 million to $20 million.
Official synopsis: Amends the Illinois Procurement Code. Provides that no construction business is a small business if its annual sales and receipts exceed $20,000,000 (currently, $14,000,000). Effective immediately.
Passed one chamberRule 3-9(a) / Re-referred to Assignments · 2026-05-22
DEPT VET AFF-SERVICE OFFICERS
In plain English Requires Department of Veterans Affairs service officers and supervisors to be current military reservists or honorably discharged veterans, removing prior hostility-related requirements.
Official synopsis: Amends the Department of Veterans Affairs Act. Requires all service officers and any supervisors, including the field manager, within the field division to be currently serving reservists or national guardsmen in good standing or honorably discharged veterans from service in the Armed Forces of the…
Passed one chamberAdded as Alternate Chief Co-Sponsor Sen. Michael W. Halpin · 2026-05-07
SGT. LEVI RIDGLEY MEM HGWY
Designates U.S. Highway 250 from the intersection of U.S. Highway 50 and Illinois Route 130 in Olney to 10 miles West of Olney on U.S. Highway 50 as the "Sgt. Levi Ridgley Memorial Highway".
Passed one chamberReferred to Rules Committee · 2026-04-22
MOTOR FUEL-CPI ADJUSTMENT
Amends the Motor Fuel Tax Law. Provides that the July 1, 2026 tax increase based on the Consumer Price Index shall not occur. Effective immediately.
Not out of committeeAdded as Co-Sponsor Sen. Chris Balkema · 2026-03-04
CRITICAL ASSET PROTECTION
Creates the Military Installation and Critical Infrastructure Protection Act. Prohibits a foreign principal from a foreign adversary country from directly or indirectly owning, having an interest of greater than 25% in, or acquire by purchase, grant, devise, or descent agricultural land or any interest except…
Not out of committeeAdded as Co-Sponsor Sen. Chris Balkema · 2026-02-17
SCH CD-REPORTING MALPRACTICE
Amends the School Code. Provides that school personnel and the parents of students enrolled in a school district may file a complaint with the school board of the school district for any administrative or school board member malpractice. Requires a school board to create a…
Not out of committeeReferred to Assignments · 2026-02-06
RELIGIOUS ASSEMBLY-EMERGENCIES
Creates the Protecting Religious Assembly in States of Emergency Act that may be referred to as the PRAISE Act. Provides that a place of worship is exempted from any order, rule, regulation, ordinance, resolution, or other directive issued by the State government or a unit…
Not out of committeeReferred to Assignments · 2026-02-06
PACIFIC CONFLICT STRESS TEST
Creates the Pacific Conflict Stress Test Act. Provides that the Governor shall produce an annual State risk assessment, which shall be published by no later than the day before the Governor's annual address to the General Assembly. Provides that the State risk assessment shall include…
Not out of committeeReferred to Assignments · 2026-02-06
VEH CD-LEGIS/EXEC PLATES
Amends the Illinois Vehicle Code. Repeals provisions concerning the issuance of special registration plates to current and retired members of the General Assembly, current and retired members of Congress, and executive branch officers and makes conforming changes.
Not out of committeeReferred to Assignments · 2026-02-06

“In plain English” lines are written by ThePolitibase with AI (Claude), from the official synopsis only; the synopsis is the authoritative text. Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.

SB0118 · 2026-05-31
DHS-GAMBLING DISORDERS (Senate Concurrence)
Passed · 58-0 · 2 roll calls that day, voted the same way on each
Yea
SB3258 · 2026-05-31
INS-RENTAL VEHICLE COVERAGE (Senate Concurrence)
Passed · 58-0
Yea
HB4304 · 2026-05-31
HIGHER ED STUDENT BILL OF RTS (Senate Third Reading)
Passed · 37-19
Nay
HB5024 · 2026-05-31
MUNI CD-DETENTION FACILITIES (Senate Third Reading)
Passed · 39-17
Nay
SB3398 · 2026-05-31
CIV PRO-TENANTS IN COMMON (Senate Concurrence)
Passed · 56-0 · 2 roll calls that day, voted the same way on each
Yea
SB3273 · 2026-05-31
UTILITIES-INTERCONNECTIONS (Senate Concurrence)
Passed · 58-0
Yea
SB3037 · 2026-05-31
DARK SKY ACT (Senate Concurrence)
Passed · 57-0
Yea
HB4571 · 2026-05-31
COUNTIES CD-AFFORDABLE HOUSING (Senate Third Reading)
Passed · 44-14
Nay
SB0318 · 2026-05-31
BUSINESS-TECH (Senate Concurrence)
Passed · 56-0 · 2 roll calls that day, voted the same way on each
Yea
SB3967 · 2026-05-31
NURSING HOME SURVEYOR REPORT (Senate Concurrence)
Passed · 58-0 · 2 roll calls that day, voted the same way on each
Yea
HJR0046 · 2026-05-31
LITTLE PALESTINE WAY (Senate Motion To Adopt)
Passed · 51-1
NV
SB3465 · 2026-05-31
CONSTRUCTION-SANITARY REQS (Senate Concurrence)
Passed · 45-13
Nay
SB3208 · 2026-05-31
VEH CD-HUSBANDRY IMPLEMENT DEF (Senate Concurrence)
Passed · 56-0
Yea
SB3321 · 2026-05-31
LOC GOV-CREDIT CARD AGREEMENTS (Senate Concurrence)
Passed · 57-0
Yea
SB3019 · 2026-05-31
FINANCE-AGRICULTURAL BORROWER (Senate Concurrence)
Passed · 36-19 · 2 roll calls that day, voted the same way on each
Nay
SB3049 · 2026-05-31
NEWBORN METABOLIC SCREENING (Senate Concurrence)
Passed · 54-0
Yea
HB4327 · 2026-05-31
AUDITOR GENERAL-340B AUDIT (Senate Third Reading)
Passed · 57-0
Yea
SB3222 · 2026-05-31
VIDEO STREAMING AD VOLUME (Senate Concurrence)
Passed · 47-10
Nay
SB3020 · 2026-05-31
DOMESTIC VIOLENCE-HARASSMENT (Senate Concurrence)
Passed · 57-0 · 2 roll calls that day, voted the same way on each
Yea
HB5090 · 2026-05-31
PROCUREMENT-CONSTRUCTION (Senate Third Reading)
Passed · 42-12
Nay
SB3044 · 2026-05-31
DOMESTIC VIOLENCE ORDER-EFFECT (Senate Concurrence)
Passed · 57-0
Yea
SB3048 · 2026-05-31
DOMESTIC VIOLENCE-LETHALITY (Senate Concurrence)
Passed · 57-0 · 2 roll calls that day, voted the same way on each
Yea
SB2951 · 2026-05-31
MORTGAGE FORECLOSURE TIME (Senate Concurrence)
Passed · 58-0
Yea
HB4496 · 2026-05-31
PROCUREMENT-STATE LABS (Senate Third Reading)
Passed · 38-19
Nay
HB4379 · 2026-05-31
ADULT CHANGING STATIONS (Senate Third Reading)
Passed · 46-12
Nay
SB3113 · 2026-05-31
CREDIT UNIONS-VARIOUS (Senate Concurrence)
Passed · 50-6
Nay
SB3086 · 2026-05-31
STATE PERMITTED INVESTMENTS (Senate Concurrence)
Passed · 51-6
Nay
HB2949 · 2026-05-31
FY27 BUDGET IMPLEMENTATION (Senate Third Reading)
Passed · 37-18
Nay
HB2783 · 2026-05-31
CMS-MENSTRUAL PRODUCTS (Senate Third Reading)
Passed · 35-19
Nay
SB2762 · 2026-05-31
INS-SEIZURE DETECTION DEVICE (Senate Concurrence)
Passed · 53-5
Nay
HB4911 · 2026-05-31
VETERAN SCRATCH-OFF GAME (Senate Third Reading)
Passed · 58-0
Yea
SB3255 · 2026-05-31
DHS-DSP PILOT PROGRAM (Senate Concurrence)
Passed · 37-21
Nay
SB3777 · 2026-05-31
HUMAN RIGHTS-DISPARTE IMPACT (Senate Concurrence)
Passed · 41-14
Nay
SB3645 · 2026-05-31
REGULATORY SUNSET-RADIATION (Senate Concurrence)
Passed · 51-3
Yea
HB0957 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Third Reading)
Passed · 37-20
Nay
SB2427 · 2026-05-31
SCH CD-WIRELESS COMM DEVICE (Senate Concurrence)
Passed · 55-2 · 2 roll calls that day, voted the same way on each
Yea
HB4377 · 2026-05-31
PHA-NO WORK REQUIREMENTS (Senate Third Reading)
Passed · 35-19
Nay
SB2771 · 2026-05-31
SUICIDE PREVENTION INFORMATION (Senate Concurrence)
Passed · 57-0
Yea
SB3365 · 2026-05-31
MEDICARE/MEDICAID DUAL ELIGIBL (Senate Concurrence)
Passed · 59-0
Yea
HB5511 · 2026-05-31
DIGITAL AGE ASSURANCE (Senate Third Reading)
Passed · 57-0
Yea
HB0111 · 2026-05-31
$FY 2027 BUDGET (Senate Third Reading)
Passed · 37-21
Nay
HB4248 · 2026-05-31
ALGORITHMIC PRICE TRANSPARENCY (Senate Third Reading)
Passed · 41-16
Nay
HB3663 · 2026-05-31
COURT OF CLAIMS-AWARDS (Senate Third Reading)
Passed · 58-0
Yea
HB0958 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Third Reading)
Passed · 37-17
Nay
SB3798 · 2026-05-31
MENTAL HEALTH 9-1-1 CALLS (Senate Concurrence)
Passed · 58-0
Yea
SB0807 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Concurrence)
Passed · 58-0
Yea
SB3484 · 2026-05-31
VEH CD-PLATES-REGISTRATION (Senate Concurrence)
Passed · 48-7
Nay
SB2524 · 2026-05-31
VEH CD-DRIVER'S LICENSE (Senate Concurrence)
Passed · 58-0
Yea
HB0862 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Third Reading)
Passed · 49-8
Yea
SB2645 · 2026-05-31
FIRE STATION REHABILITATION (Senate Concurrence)
Passed · 57-0
Yea
HB0952 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Third Reading)
Passed · 57-0
Yea
HB4438 · 2026-05-31
STATE BEE DESIGNATION (Senate Third Reading)
Passed · 58-0
Yea
Complete voting record from LegiScan (showing the 60 most recent of 1241 total roll-call votes this session).
Voting data provided by LegiScan, licensed under CC BY 4.0.
House 109House 110

Boundaries: U.S. Census Bureau cartographic boundary files, simplified for display. For an exact address, use the legislature’s own district finder.

Who represents this ground

Illinois builds each Senate district from exactly two House districts: Senate 55 is House 109 plus House 110. The percentage is how often each of them ended up on the same side as Jason Plummer on bills both voted on (each one’s final Yea or Nay on the bill).

Jason PlummerState Senate 55 · Republican · this page
Charlie MeierState House 109 · Republican
87%
Blaine WilhourState House 110 · Republican
84%
In Washington

Both U.S. senators represent the whole state. Which U.S. House member represents you depends on your address, so use the finder rather than a guess from district numbers.

Capitol Office
📍Room 309-L, Capitol Building, Springfield, IL 62706
District Office
📍310 W. Gallatin St., Vandalia, IL 62471
Official Links
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