Nonpartisan · Data from OpenStates / Plural Policy · Illinois
Votes with Republicans
74%
on 250 party-line votes · Senate Republicans median 95%
Cast a vote
94%
Yea or Nay on 1,330 of 1,420 roll calls · Senate median 95%
Their bills that became law
15 of 47
as a primary sponsor, this session · Republicans median 12.5
Roll calls on record
1,420
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 Don DeWitte 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 Don DeWitte 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. Don DeWitte is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
66 of 250 party-line votes, most recent 10 shown.
HB0958 · STATE GOVERNMENT-TECH
In plain English Allows municipalities with 70,000+ residents in counties with 3+ million residents to create a stadium authority to finance and build professional sports facilities, with related tax exemptions and deductions.
Senate Third Reading · 2026-05-31 · Passed 37–17 · most Republicans voted the other way
HB4379 · ADULT CHANGING STATIONS
Senate Third Reading · 2026-05-31 · Passed 46–12 · most Republicans voted the other way
SB3222 · VIDEO STREAMING AD VOLUME
Senate Concurrence · 2026-05-31 · Passed 47–10 · most Republicans voted the other way
HB4535 · SCH CD-E-LEARNING DAY-ELECTION
Senate Third Reading · 2026-05-30 · Passed 43–10 · most Republicans voted the other way
HB2335 · VEH CD-VARIOUS
In plain English Allows Regional Transit Boards to receive ethics complaints, adjusts transportation funding allocations, and requires improvements to Joliet train station and Blue Line station by specified dates, among other changes.
Senate Third Reading · 2026-05-29 · Passed 36–16 · most Republicans voted the other way
HB4418 · EPA-STORMWATER-PLASTIC PELLET
In plain English Requires the state environmental agency to develop stormwater pollution prevention requirements for facilities that handle plastic pellets.
Senate Third Reading · 2026-05-28 · Passed 44–13 · most Republicans voted the other way
HB4536 · SCH CD-REG SUP INSTITUT-TRAUMA
Senate Third Reading · 2026-05-20 · Passed 41–17 · most Republicans voted the other way
HB4862 · SCH CD-STAFF MENTAL HEALTH
In plain English Requires school boards to develop procedures supporting employee mental health by January 1, 2028, including staff feedback opportunities and annual communication about available mental health resources.
Senate Third Reading · 2026-05-20 · Passed 43–15 · most Republicans voted the other way
HB4217 · COUNTIES CD-DEFENDER POWERS
In plain English Allows public defenders to represent clients in both criminal cases and related license suspension proceedings from the same arrest.
Senate Third Reading · 2026-05-20 · Passed 43–15 · most Republicans voted the other way
HB5552 · EDUCATION-VARIOUS
In plain English Amends education laws regarding teacher licensing, school funding, educator qualifications, charter school renewals, and updates terminology throughout school-related statutes.
Senate Third Reading · 2026-05-20 · Passed 43–14 · most Republicans voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
SB0071 · IEMA-SCHOOL SAFETY
Senate Education Committee · 2025-03-18 · Passed 4–2
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
SB1950 · SANITARY FOOD PREPARATION
Senate Concurrence · 2025-10-30 · Passed 30–27
SB2039 · IBHE-DATA DASHBOARD REPORT
Senate Education Committee · 2025-05-30 · Passed 8–5
SB1859 · CLIMATE DISPLACEMENT ACT
Senate Environment and Conservation Committee · 2025-05-29 · Passed 6–3
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.
Doris TurnerDemocrat · District 48 · 208 shared contested votes
49%
Patrick JoyceDemocrat · District 40 · 230 shared contested votes
49%
Suzy Glowiak HiltonDemocrat · District 23 · 211 shared contested votes
46%
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 (90 in all). Gaps are months the chamber wasn’t voting.
← Illinois Delegation
YeaYeaNayNVYeaYeaYeaNayYeaYeaYeaNayYeaYeaYeaNayYeaYeaYeaYeaNayYeaYeaYeaNayYeaYeaYeaNayNayYeaYeaNayNayYeaNayYeaNayYeaYeaYeaNayNayYeaYeaYeaYeaYeaYeaNayYeaYea
Their bills, from filing to law
Bills Don DeWitte 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.
Introduced47
Out of committee19
Passed one chamber17
Passed both chambers15
Became law15
Never left committee28
For comparison, the median Republican member of the Senate has 12.5 bills that became law this session.
DOMESTIC VIOLENCE-JUVENILES
In plain English Removes requirements that police use a specific assessment tool and forward reports to prosecutors when investigating juveniles accused of domestic battery.
Official synopsis: Amends the Illinois Domestic Violence Act of 1986. Deletes the requirement that the law enforcement officer must use the Adolescent Domestic Battery Typology Tool in the investigation of a juvenile who has alleged abused a family or household member in deciding whether to divert the…
Became lawPublic Act . . . . . . . . . 104-0802 · 2026-08-07
DNR-OSLAD ACCESSIBILITY
In plain English Requires the Department of Natural Resources to prioritize open space projects that exceed federal disability accessibility standards in its grant review process.
Official synopsis: Amends the Open Space Lands Acquisition and Development Act. Provides that the Department of Natural Resources shall prioritize projects that incorporate construction, materials, designs, products, or technologies that increase accessibility and usability beyond the highest standards established under the federal Americans with Disabilities Act (ADA)…
Became lawPublic Act . . . . . . . . . 104-0654 · 2026-07-24
INC TX-R AND D CREDIT
Amends the Illinois Income Tax Act. Provides that the research and development credit applies on a permanent basis. Effective immediately.
Not out of committeeAdded as Co-Sponsor Sen. Chris Balkema · 2026-07-06
REGULATION-TECH
In plain English Changes the short title in the law governing continuum of care services for people with developmental disabilities.
Official synopsis: Amends the Continuum of Care Services for the Developmentally Disabled Act. Makes a technical change in a Section concerning the short title.
Out of committeeSenate Floor Amendment No. 1 Pursuant to Senate Rule 3-9(b) / Referred to Assignments · 2026-07-02
ELECTIONS-TECH
Amends the Agreement Among the States to Elect the President by National Popular Vote Act. Makes a technical change in a Section concerning the short title.
Out of committeeSenate Floor Amendment No. 1 Pursuant to Senate Rule 3-9(b) / Referred to Assignments · 2026-07-02
INC TX-LGDF
Amends the Illinois Income Tax Act. Provides that an amount equal to 10% of the net revenue realized from the State income tax during the preceding month shall be transferred from the General Revenue Fund to the Local Government Distributive Fund (currently, the amount transferred…
Not out of committeeAdded as Co-Sponsor Sen. Chris Balkema · 2026-05-27
USE/OCC TX-SOLAR PANELS
Amends the Use Tax Act, the Service Use Tax Act, the Service Occupation Tax Act, and the Retailers' Occupation Tax Act. Provides that, beginning on January 1, 2027, tangible personal property that is purchased for the improvement of residential or nonresidential real estate by the…
Not out of committeeRule 3-9(a) / Re-referred to Assignments · 2026-05-22
INC TX-INNOVATION CREDIT
Amends the Illinois Income Tax Act. Provides that a taxpayer shall be allowed an income tax credit in an amount equal to 1.3% of the qualified research expenses made by the taxpayer in Illinois. Provides that the taxpayer is not required to have obtained a…
Not out of committeeRule 3-9(a) / Re-referred to Assignments · 2026-05-22
USE/OCC TX-MODIFIED VEHICLES
Amends the Use Tax Act, the Service Use Tax Act, the Service Occupation Tax Act, and the Retailers' Occupation Tax Act. Provides that, beginning on July 1, 2026, the 1% rate of tax on modifications to a motor vehicle for the purpose of rendering the…
Not out of committeeRule 3-9(a) / Re-referred to Assignments · 2026-05-22
REAL HOUSING ACT
Specifies that the amendatory Act may be referred to as the Reducing Expenses and Advancing Local (REAL) Housing Act. Amends the Department of Commerce and Economic Opportunity Law of the Civil Administrative Code of Illinois. Creates the Middle Housing Incentive Program. Amends the Department of…
Not out of committeeAdded as Co-Sponsor Sen. Jil Tracy · 2026-05-21
COMM MENTAL HEALTH BOARD-COMP
Amends the Community Mental Health Act. Provides that the governing body of a community mental health board may from time to time fix, by ordinance, compensation for board members. Permits such compensation to be computed on a per diem basis, on an annual basis, or…
Not out of committeeRule 3-9(a) / Re-referred to Assignments · 2026-03-13
INC TX-INNOVATION CREDIT
Amends the Illinois Income Tax Act. Provides that a taxpayer shall be allowed an income tax credit in an amount equal to 1.3% of the qualified research expenses made by the taxpayer in Illinois. Provides that the taxpayer is not required to have obtained a…
Not out of committeeAdded as Co-Sponsor Sen. Darby A. Hills · 2026-03-05
SCH CD-TEACHER SALARY-CONT ED
Amends the Employment of Teachers Article of the School Code. Provides that beginning with continuing education coursework commenced on or after July 1, 2026, a school district, special education cooperative, or other public educational employer may recognize graduate-level continuing education coursework for purposes of salary…
Not out of committeeReferred to Assignments · 2026-02-06
IDOT-AIRPORT PROJECT REPORTS
Amends the Department of Transportation Law of the Civil Administrative Code of Illinois. Requires the Secretary of Transportation to report to the specified members and committees of the General Assembly and the Director of the Governor's Office of Management and Budget as of December 31…
Not out of committeeReferred to Assignments · 2026-02-05
CIV PRO-AFFIDAVIT OF MERIT
Amends the Code of Civil Procedure. Provides that a defendant in an action alleging malpractice or negligence against an architect, engineer, or surveyor may request an affidavit of merit within 56 days after the complaint or notice of the action is served on the defendant.…
Not out of committeeReferred to Assignments · 2026-02-04
“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 1420 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 33 is House 65 plus House 66. The percentage is how often each of them ended up on the same side as Don DeWitte on bills both voted on (each one’s final Yea or Nay on the bill).
Don DeWitteState Senate 33 · Republican · this page
Dan UgasteState House 65 · Republican
84%
Suzanne NessState House 66 · Democratic
85%
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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