Nonpartisan · Data from OpenStates / Plural Policy · Illinois
Votes with Democrats
97%
on 246 party-line votes · Senate Democrats median 100%
Cast a vote
94%
Yea or Nay on 1,343 of 1,432 roll calls · Senate median 95%
Their bills that became law
38 of 114
as a primary sponsor, this session · Democrats median 29.5
Roll calls on record
1,432
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 Mike Halpin 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 Mike Halpin 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. Mike Halpin is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
7 of 246 party-line votes.
HB1075 · BUDGET IMPLEMENTATION ACT
Third Reading in Senate · 2025-05-31 · Passed 32–23 · most Democrats voted the other way
SB2510 · $APPROPRIATIONS-VARIOUS
Concurrence in Senate · 2025-05-31 · Passed 34–23 · most Democrats voted the other way
HB2755 · REVENUE-VARIOUS
Third Reading in Senate · 2025-05-31 · Passed 31–25 · most Democrats voted the other way
HB3772 · SCH CD-SUSPENSION/EXPULSION
In plain English Restricts suspensions in early childhood through second grade, requiring superintendent approval for suspensions of three or more days and limiting suspension length to time needed for behavior plans.
Third Reading in Senate · 2025-05-31 · Passed 30–21 · most Democrats voted the other way
HB3385 · HIGHER ED-MENTAL HEALTH ACTION
Senate Higher Education Committee · 2025-05-07 · Failed 7–5 · most Democrats voted the other way
SB0008 · SAFE GUN STORAGE
Third Reading in Senate · 2025-04-10 · Passed 33–19 · most Democrats voted the other way
SB1784 · JUV CT-COMMITMENT-AGE
Senate Criminal Law Committee · 2025-04-08 · Passed 6–3 · most Democrats voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
HB5487 · LAW FIRM OWNERSHIP
Senate Judiciary Committee · 2026-05-29 · Passed 5–3
HB3385 · HIGHER ED-MENTAL HEALTH ACTION
Senate Higher Education Committee · 2025-05-07 · Failed 7–5
HB1083 · PROPERTY-GENDER NEUTRAL
Senate Judiciary Committee · 2025-05-07 · Passed 5–3
SB1551 · AGING-FINANCIAL EXPLOITATION
Senate Judiciary Committee · 2025-04-09 · Passed 5–3
SB2645 · FIRE STATION REHABILITATION
In plain English Allows the State Fire Marshal to award grants for fire station rehabilitation or construction to nonprofit fire departments, in addition to local government units.
Senate State Government Committee · 2026-05-30 · Passed 6–3
Republicans 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.
Seth LewisRepublican · District 24 · 225 shared contested votes
49%
Darby HillsRepublican · District 26 · 243 shared contested votes
47%
Don DeWitteRepublican · District 33 · 227 shared contested votes
40%
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 (89 in all). Gaps are months the chamber wasn’t voting.
← Illinois Delegation
YeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Mike Halpin 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.
Introduced114
Out of committee55
Passed one chamber47
Passed both chambers38
Became law38
Never left committee59
For comparison, the median Democratic member of the Senate has 29.5 bills that became law this session.
SUBSTANCE USE DISORDER SERVICE
Reinserts the provisions of the introduced bill with the following changes: Replaces all references to "case management" with "specialized case management". Defines "specialized case management".
Became lawPublic Act . . . . . . . . . 104-0829 · 2026-08-07
FISH CD-ADMINISTRATIVE CLEANUP
In plain English Requires lifetime fishing license holders purchased after January 1, 2027 to pay current resident or non-resident fees for permits and stamps based on where they live.
Official synopsis: Amends the Fish and Aquatic Life Code. In provisions concerning fishing licenses, provides that the holder of a lifetime fishing or hunting license or a lifetime sportsmen's combination license that was purchased on or after January 1, 2027 must pay the corresponding resident or non-resident…
Became lawPublic Act . . . . . . . . . 104-0790 · 2026-08-07
CIV PRO-TENANTS IN COMMON
In plain English Requires health care providers to release medical records to named surrogates or authorized persons and provide written information to surrogates when patients lack decision-making capacity.
Official synopsis: Amends the Health Care Surrogate Act. Requires a health care provider to release the medical records of the patient as a response to a written request for the release of records to an individual who was named as a surrogate or any person, entity, or…
Became lawPublic Act . . . . . . . . . 104-0820 · 2026-08-07
HIGHER ED STUDENT BILL OF RTS
In plain English Creates a student bill of rights for public colleges requiring protections against discrimination, clear conduct standards, free speech protections, disability accommodations, and transparent policies on academics and finances.
Official synopsis: Creates the Higher Education Student Support and Academic Freedom Act. Provides that public institutions of higher education shall strive to foster an environment that is free from unlawful discrimination or harassment based on any protected characteristic under applicable law, to maintain clear, content-neutral conduct standards…
Became lawPublic Act . . . . . . . . . 104-0768 · 2026-08-07
RECORDS-PRETRIAL SERVICES
In plain English Allows pretrial services agencies to share fingerprints and charges with Illinois State Police and requires them to collaborate with law enforcement to maintain accurate criminal records.
Official synopsis: Amends the Criminal Identification Act. Provides that, with the approval of the Illinois State Police, pretrial services agencies may furnish fingerprints, charges, and descriptions to the Illinois State Police in the same manner as agencies making arrests. Amends the Pretrial Services Act. Provides that pretrial…
Became lawPublic Act . . . . . . . . . 104-0735 · 2026-07-31
EASEMENT BY DNR-KNOX COUNTY
Reinserts the provisions of the bill with new legal description of the property in question.
Became lawPublic Act . . . . . . . . . 104-0724 · 2026-07-31
CIV PRO-COMMENCEMENT OF ACTION
In plain English Requires parties and their attorneys to automatically receive notice of administrative hearings and decisions, and changes how final decisions are served.
Official synopsis: Amends the Illinois Administrative Procedure Act. Provides that parties, their attorneys, or their other agents appointed to receive service of process must receive notice of a contested hearing and final decision or order. Deletes a requirement that a party and attorney of record must request…
Became lawPublic Act . . . . . . . . . 104-0639 · 2026-07-24
ANIMAL SHELTER ADOPTION INFO
In plain English Requires animal shelters to register microchips with adopter information, share that information when requested, and disclose the animal's behavior history before adoption.
Official synopsis: Amends the Animal Welfare Act. Provides that the animal shelter or animal control facility shall register a microchip in a national database with the adoptive owner's information at the time of adoption. Provides that the animal shelter or animal control facility shall retain documentation of…
Became lawPublic Act . . . . . . . . . 104-0643 · 2026-07-24
EMS SYSTEMS-VARIOUS
Reinserts the provisions of the introduced bill with the following changes. Makes changes to defined terms. Provides that the Department of Public Health shall require each EMS System to have a Department-approved Just Culture policy for evaluating and responding to human error, at-risk, reckless behavior,…
Became lawPublic Act . . . . . . . . . 104-0610 · 2026-07-24
HUMANE CARE-ANIMALS-PENALTIES
In plain English Allows law enforcement to seize companion animals during arrests for animal neglect and gives prosecutors 30 days to seek permanent forfeiture.
Official synopsis: Amends the Humane Care for Animals Act. Provides that a law enforcement officer who arrests the owner of a companion animal for a violation of the owner's duties may lawfully take possession of some or all of the companion animals in the possession of the…
Became lawPublic Act . . . . . . . . . 104-0644 · 2026-07-24
COURT OF CLAIMS-PROCEDURE
Reinserts the provisions of the engrossed bill with the following changes. Requires the State agency to confirm, reject, or identify a claim under the Court of Claims Act that is a lapsed appropriation and valued at less than $2,500 within 60 days after being notified…
Became lawPublic Act . . . . . . . . . 104-0550 · 2026-07-10
PRIVATE PROFESSIONAL GUARDIANS
Reinserts provisions of House Amendment No.1 with the following changes. Provides that if a private professional guardian is serving as a limited or plenary guardian of a person with a disability and intends to name the Office of State Guardian or public guardian as successor,…
Became lawPublic Act . . . . . . . . . 104-0547 · 2026-07-10
PEN CD-TRS-SALARY INCREASES
Reinserts the provisions of the engrossed bill with the following changes. In provisions requiring an additional employer contribution for certain salary increases greater than 6%, provides that the System shall exclude salary increases given on or after the effective date of the amendatory Act resulting…
Became lawPublic Act . . . . . . . . . 104-0544 · 2026-07-10
$ISAC-VETERANS/NATIONAL GUARD
Appropriates $26,000,000 from the General Revenue Fund to the Illinois Student Assistance Commission to reimburse public universities and community colleges for costs associated with the Illinois Veteran grant program and the Illinois National Guard and Naval Militia grant program. Effective July 1, 2026.
Not out of committeePursuant to Senate Rule 3-9(b) / Referred to Assignments · 2026-07-02
$ISBE-COORDINATED STRATEGY
Appropriates $4,000,000 to the State Board of Education for the purpose of a grant to an organization that manages a statewide coordinated strategy. Effective July 1, 2025.
Not out of committeePursuant to Senate Rule 3-9(b) / Referred to Assignments · 2026-07-02
“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)
SB3258 · 2026-05-31
INS-RENTAL VEHICLE COVERAGE (Senate Concurrence)
HB4304 · 2026-05-31
HIGHER ED STUDENT BILL OF RTS (Senate Third Reading)
HB5024 · 2026-05-31
MUNI CD-DETENTION FACILITIES (Senate Third Reading)
SB3398 · 2026-05-31
CIV PRO-TENANTS IN COMMON (Senate Concurrence)
SB3273 · 2026-05-31
UTILITIES-INTERCONNECTIONS (Senate Concurrence)
SB3037 · 2026-05-31
DARK SKY ACT (Senate Concurrence)
HB4571 · 2026-05-31
COUNTIES CD-AFFORDABLE HOUSING (Senate Third Reading)
SB0318 · 2026-05-31
BUSINESS-TECH (Senate Concurrence)
SB3967 · 2026-05-31
NURSING HOME SURVEYOR REPORT (Senate Concurrence)
HJR0046 · 2026-05-31
LITTLE PALESTINE WAY (Senate Motion To Adopt)
SB3465 · 2026-05-31
CONSTRUCTION-SANITARY REQS (Senate Concurrence)
SB3208 · 2026-05-31
VEH CD-HUSBANDRY IMPLEMENT DEF (Senate State Government Committee)
SB3208 · 2026-05-31
VEH CD-HUSBANDRY IMPLEMENT DEF (Senate Concurrence)
SB3321 · 2026-05-31
LOC GOV-CREDIT CARD AGREEMENTS (Senate Concurrence)
SB3019 · 2026-05-31
FINANCE-AGRICULTURAL BORROWER (Senate Concurrence)
SB3049 · 2026-05-31
NEWBORN METABOLIC SCREENING (Senate Concurrence)
HB4327 · 2026-05-31
AUDITOR GENERAL-340B AUDIT (Senate Third Reading)
SB3222 · 2026-05-31
VIDEO STREAMING AD VOLUME (Senate Concurrence)
SB3020 · 2026-05-31
DOMESTIC VIOLENCE-HARASSMENT (Senate Concurrence)
HB5090 · 2026-05-31
PROCUREMENT-CONSTRUCTION (Senate Third Reading)
SB3044 · 2026-05-31
DOMESTIC VIOLENCE ORDER-EFFECT (Senate Concurrence)
SB3048 · 2026-05-31
DOMESTIC VIOLENCE-LETHALITY (Senate Concurrence)
SB2951 · 2026-05-31
MORTGAGE FORECLOSURE TIME (Senate Concurrence)
HB4496 · 2026-05-31
PROCUREMENT-STATE LABS (Senate Third Reading)
HB4379 · 2026-05-31
ADULT CHANGING STATIONS (Senate Third Reading)
SB3113 · 2026-05-31
CREDIT UNIONS-VARIOUS (Senate Concurrence)
SB3086 · 2026-05-31
STATE PERMITTED INVESTMENTS (Senate Concurrence)
HB2949 · 2026-05-31
FY27 BUDGET IMPLEMENTATION (Senate Third Reading)
HB2783 · 2026-05-31
CMS-MENSTRUAL PRODUCTS (Senate Third Reading)
SB2762 · 2026-05-31
INS-SEIZURE DETECTION DEVICE (Senate Concurrence)
HB4911 · 2026-05-31
VETERAN SCRATCH-OFF GAME (Senate Third Reading)
SB3255 · 2026-05-31
DHS-DSP PILOT PROGRAM (Senate Concurrence)
SB3777 · 2026-05-31
HUMAN RIGHTS-DISPARTE IMPACT (Senate Concurrence)
SB3645 · 2026-05-31
REGULATORY SUNSET-RADIATION (Senate Concurrence)
HB0957 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Third Reading)
SB2427 · 2026-05-31
SCH CD-WIRELESS COMM DEVICE (Senate Concurrence)
HB4377 · 2026-05-31
PHA-NO WORK REQUIREMENTS (Senate Third Reading)
SB2771 · 2026-05-31
SUICIDE PREVENTION INFORMATION (Senate Concurrence)
SB3365 · 2026-05-31
MEDICARE/MEDICAID DUAL ELIGIBL (Senate Concurrence)
HB5511 · 2026-05-31
DIGITAL AGE ASSURANCE (Senate Third Reading)
HB0111 · 2026-05-31
$FY 2027 BUDGET (Senate Third Reading)
HB4248 · 2026-05-31
ALGORITHMIC PRICE TRANSPARENCY (Senate Third Reading)
HB3663 · 2026-05-31
COURT OF CLAIMS-AWARDS (Senate Third Reading)
HB0958 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Third Reading)
SB3798 · 2026-05-31
MENTAL HEALTH 9-1-1 CALLS (Senate Concurrence)
SB0807 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Concurrence)
SB3484 · 2026-05-31
VEH CD-PLATES-REGISTRATION (Senate Concurrence)
SB2524 · 2026-05-31
VEH CD-DRIVER'S LICENSE (Senate Concurrence)
HB0862 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Third Reading)
SB2645 · 2026-05-31
FIRE STATION REHABILITATION (Senate Concurrence)
HB0952 · 2026-05-31
STATE GOVERNMENT-TECH (Senate Third Reading)
Complete voting record from LegiScan (showing the 60 most recent of 1432 total roll-call votes this session).
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 36 is House 71 plus House 72. The percentage is how often each of them ended up on the same side as Mike Halpin on bills both voted on (each one’s final Yea or Nay on the bill).
Mike HalpinState Senate 36 · Democratic · this page
Dan SwansonState House 71 · Republican
71%
Gregg JohnsonState House 72 · Democratic
99%
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.
Official Links
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