Nonpartisan · Data from OpenStates / Plural Policy · Illinois
Votes with Democrats
99%
on 238 party-line votes · Senate Democrats median 100%
Cast a vote
98%
Yea or Nay on 1,200 of 1,219 roll calls · Senate median 95%
Their bills that became law
8 of 25
as a primary sponsor, this session · Democrats median 29.5
Roll calls on record
1,219
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 Mark Walker 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 Mark Walker 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. Mark Walker is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
1 of 238 party-line votes.
SB0246 · NON-PROFIT INVESTMENT POOL
Third Reading in Senate · 2025-04-04 · Passed 33–17 · most Democrats voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
SB1950 · SANITARY FOOD PREPARATION
Senate Concurrence · 2025-10-30 · Passed 30–27
SB1859 · CLIMATE DISPLACEMENT ACT
Senate Environment and Conservation Committee · 2025-05-29 · Passed 6–3
SJR0039 · NAT. INFRASTRUCTURE BANK
Senate Financial Institutions Committee · 2025-05-28 · Passed 5–2
HB2516 · PFAS PRODUCT BAN
Senate Environment and Conservation Committee · 2025-05-22 · Passed 6–3
HB3248 · INS CD-LASER HAIR REMOVAL
Senate Insurance Committee · 2025-05-20 · Passed 8–5
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 · 234 shared contested votes
48%
Darby HillsRepublican · District 26 · 231 shared contested votes
45%
John CurranRepublican · District 41 · 229 shared contested votes
38%
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 (19 in all). Gaps are months the chamber wasn’t voting.
← Illinois Delegation
YeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Mark Walker 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.
Introduced25
Out of committee13
Passed one chamber12
Passed both chambers8
Became law8
Never left committee12
For comparison, the median Democratic member of the Senate has 29.5 bills that became law this session.
FINANCIAL REG-FEES-INVESTIGATE
In plain English Removes annual investigation requirements for currency exchanges and establishes new fee-setting provisions for financial regulation agencies.
Official synopsis: Amends the Currency Exchange Act. Removes provisions requiring the Secretary of Financial and Professional Regulation to investigate a currency exchange business at least once in each year and to review and report on the cost of operation of the Currency Exchange Section. Establishes fee-setting provisions…
Became lawPublic Act . . . . . . . . . 104-0520 · 2026-06-26
CONGRATS-LAZARO LOPEZ, ED.D.
Congratulates Lazaro Lopez, Ed.D. on the conclusion of his distinguished career with High School District 214, marked by his dedicated service to public education and the State of Illinois. Thanks him for helping shape the futures of thousands of students while strengthening pathways to the…
Became lawResolution Adopted · 2026-06-01
TIF-Various
Amends the Illinois Municipal Code. Provides that no redevelopment plan shall be adopted unless the plan establishes a process for allocating funds for the project that includes the members of the join review board. Provides that municipalities may use some of the tax revenue attributable…
Not out of committeeRule 3-9(a) / Re-referred to Assignments · 2026-05-22
PROP TX-FARMLAND VALUATION
Amends the Property Tax Code. Makes changes concerning certifications by the Department of Revenue for the purpose of establishing guidelines and valuations for farmland. Provides that cropland, permanent pasture, and other farmland shall be defined according to guidelines issued by the Department of Revenue (currently,…
Not out of committeeReferred to Assignments · 2026-05-13
PEN CD-PENSION FUND REGULATION
In plain English Allows the Public Pension Division to optionally provide advisory services to pension funds and make legislative recommendations, among other changes.
Official synopsis: Amends the Regulation of Public Pension Funds Article of the Illinois Pension Code. Provides that the Public Pension Division of the Department of Insurance may (instead of shall) render advisory services to the pension funds on all matters pertaining to their operations. Provides that recommendations…
Passed one chamberReferred to Assignments · 2026-04-30
TITLE INSURANCE-VARIOUS
Amends the Title Insurance Act. Makes changes to defined terms. Prohibits any person from acting as a title insurance agent unless that person: (i) has been issued a license by the Secretary of Financial and Professional Regulation; and (ii) is registered with the Department of…
Not out of committeeRule 3-9(a) / Re-referred to Assignments · 2026-04-24
FINANCIAL REG-FEES-INVESTIGATE
Amends the Currency Exchange Act. Removes provisions requiring the Secretary of Financial and Professional Regulation to investigate a currency exchange business at least once in each year and to review and report on the cost of operation of the Currency Exchange Section. Establishes fee-setting provisions…
Out of committeeRule 3-9(a) / Re-referred to Assignments · 2026-04-17
INS-FINANCIAL REGULATION FEES
Amends the Illinois Insurance Code. Makes changes to the annual financial regulation fee charged and collected from every domestic company and foreign or alien company, except fraternal benefit societies. Provides that those financial regulation fees shall not exceed $500,000 (instead of $250,000) in the aggregate…
Not out of committeeReferred to Assignments · 2026-02-04
REVENUE-TECH
Amends the Property Tax Code. Makes a technical change in a Section concerning the short title.
Not out of committeeReferred to Assignments · 2026-02-03
INTERCHANGE FEE-REPEAL
Repeals the Interchange Fee Prohibition Act. Effective immediately.
Not out of committeeReferred to Assignments · 2026-02-02
DIGITAL ASSETS & CONS PROT ACT
Reinserts the provisions of the bill, as amended by Senate Amendment No. 1, with changes that include the following. Provides that "digital asset business activity" does not include (1) peer-to-peer exchanges or transfers of digital assets, (2) decentralized exchanges facilitating peer-to-peer exchanges or transfers solely…
Became lawPublic Act . . . . . . . . . 104-0428 · 2025-08-18
COLLECTION AGENCY ACT
Amends the Regulatory Sunset Act. Removes the Collection Agency Act from the list of Acts being repealed under the Act. Amends the Collection Agency Act. Makes changes concerning defined terms; exempt persons and entities under the Act; unlicensed practice; disciplinary actions; communication; informal conferences; penalties;…
Became lawPublic Act . . . . . . . . . 104-0149 · 2025-08-01
BANKING&PROBATE-FINANCE/NOTICE
Amends the Illinois Banking Act. In provisions concerning customer financial records and confidentiality, provides that the language does not prohibit the furnishing of financial information to the executor, executrix, administrator, or other lawful representative of the estate of a customer. Amends the Savings Bank Act…
Became lawPublic Act . . . . . . . . . 104-0123 · 2025-08-01
REAL PROP CONSERVATION RIGHTS
Amends the Real Property Conservation Rights Act. Provides that a conservation right includes preserving cultural heritage sites. Provides that any owner of real property in the State may convey a conservation right in such real property to a federally recognized Indian tribe or a State-recognized…
Became lawPublic Act . . . . . . . . . 104-0049 · 2025-08-01
REGULATION-TECH
Amends the Interchange Fee Prohibition Act by changing the effective date of the Act to July 1, 2026 (currently, July 1, 2025). Effective immediately.
Became lawPublic Act . . . . . . . . . 104-0004 · 2025-06-16
“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 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)
HB4438 · 2026-05-31
STATE BEE DESIGNATION (Senate Third Reading)
Complete voting record from LegiScan (showing the 60 most recent of 1219 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 27 is House 53 plus House 54. The percentage is how often each of them ended up on the same side as Mark Walker on bills both voted on (each one’s final Yea or Nay on the bill).
Mark WalkerState Senate 27 · Democratic · this page
Nicolle GrasseState House 53 · Democratic
99%
Mary Beth CantyState House 54 · 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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