Nonpartisan · Data from OpenStates / Plural Policy · Illinois
Republican
· Representative
C.D. Davidsmeyer
Represents District 100 in the House of Representatives.
Votes with Republicans
96%
on 537 party-line votes · House Republicans median 96%
Cast a vote
97%
Yea or Nay on 2,746 of 2,840 roll calls · House median 98%
Their bills that became law
9 of 53
as a primary sponsor, this session · Republicans median 6.5
Roll calls on record
2,840
104th General Assembly
Votes and bills updated Oct 9, 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 C.D. Davidsmeyer 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 C.D. Davidsmeyer sits in the House
Each dot is one member of the House, placed by how often they voted on the Democratic side of party-line votes. C.D. Davidsmeyer is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
24 of 537 party-line votes, most recent 10 shown.
SB2696 · QUICK-TAKE-HOFFMAN ESTATES
In plain English Allows Hoffman Estates to use expedited eminent domain proceedings for one year to acquire property for road improvements on specified streets.
House Third Reading · 2026-05-29 · Passed 77–30 · most Republicans voted the other way
SB3107 · QUICK-TAKE OAK PARK
In plain English Allows Oak Park to quickly acquire specified Cook County properties for a public building using eminent domain for two years, then repeals this authority after three years.
House Third Reading · 2026-05-27 · Passed 79–27 · most Republicans voted the other way
SB4006 · CLIMATE RISK & STRENGTHEN HOME
In plain English Creates a grant program to help homeowners strengthen homes against climate risks and requires homeowners insurers to offer discounts for properties meeting mitigation standards.
House Third Reading · 2026-05-27 · Passed 78–32 · most Republicans voted the other way
SB3336 · LOW-SPEED ELECTRIC BICYCLE
In plain English Requires operators of Class 1 or Class 2 low-speed electric bicycles to be at least 15 years old, with additional age restrictions for carrying passengers.
House Third Reading · 2026-05-27 · Passed 80–30 · most Republicans voted the other way
SB4041 · OHARE SOUND MITIGATION
In plain English Requires airport sponsors to conduct noise contour studies every five years starting by December 31, 2030, and share results publicly and with state leaders.
House Third Reading · 2026-05-22 · Passed 71–24 · most Republicans voted the other way
HB4248 · ALGORITHMIC PRICE TRANSPARENCY
In plain English Bans businesses from using surveillance pricing and allows the Attorney General or State's Attorneys to enforce the prohibition.
House Third Reading · 2026-05-22 · Passed 78–19 · most Republicans voted the other way
SB2914 · SCH CD-REMOVE/DISMISS TEACHERS
In plain English Requires school boards to specify misconduct details in teacher warnings, allow teachers to respond before approval, and permit binding arbitration of disputed warnings with costs split equally.
House Third Reading · 2026-05-21 · Passed 83–25 · most Republicans voted the other way
SB2769 · MUNI CD-PARKWAYS/BUSINESS DIST
In plain English Allows municipalities to transfer money between business district funds with a two-thirds vote and requires property owners to maintain adjacent parkways.
House Third Reading · 2026-05-21 · Passed 89–21 · most Republicans voted the other way
SB2972 · BOATS-INSURANCE REQUIRED
In plain English Requires owners of motorboats over 10 horsepower or 21 feet long, and personal watercraft, to carry liability insurance and show proof upon request.
House Third Reading · 2026-05-21 · Passed 80–22 · most Republicans voted the other way
HB4514 · GENERAL RATE INCREASE HEARINGS
In plain English Requires public utilities to notify customers of their right to request a public forum when proposing rate increases for electric, gas, water, or sewer service.
House Third Reading · 2026-04-17 · Passed 81–22 · most Republicans voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
HB5263 · ECONOMIC STABILITY COMMISSION
House Economic Opportunity & Equity Committee · 2026-03-25 · Passed 5–3
HB3332 · CD CORR-SENTENCING REVIEW
Third Reading in House · 2025-04-10 · Failed 49–51
HB3650 · UTIL-2050 HEAT DECARBONIZATION
House Public Utilities Committee · 2025-03-19 · Passed 6–4
HB2698 · CABLE/VIDEO OUTAGE CREDITS
In plain English Requires cable and video providers to automatically credit customers for outages over one hour and for channels lost due to contract disputes, and to notify customers and maintain outage records.
House Public Utilities Committee · 2025-03-19 · Passed 6–4
HB3312 · UTILITY DATA ACCESS ACT
House Public Utilities Committee · 2025-03-19 · Passed 6–4
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.
Anthony DeLucaDemocrat · District 80 · 405 shared contested votes
14%
Dave VellaDemocrat · District 68 · 440 shared contested votes
13%
Larry WalshDemocrat · District 86 · 455 shared contested votes
13%
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 (94 in all). Gaps are months the chamber wasn’t voting.
← Illinois Delegation
YeaNayYeaYeaYeaNayYeaYeaYeaYeaYeaYeaNayNayNayYeaYeaNayNayNayYeaYeaNayNayYeaNayNayNayYeaYeaYeaYeaNayNayYeaNayNayYeaNayYeaNayNayYeaYeaNayYeaNay
Their bills, from filing to law
Bills C.D. Davidsmeyer 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.
Introduced53
Out of committee14
Passed one chamber13
Passed both chambers9
Became law9
Never left committee39
For comparison, the median Republican member of the House has 6.5 bills that became law this session.
EMS-RURAL STAFFING-PART-TIME
In plain English Allows rural emergency medical service providers serving populations of 10,000 or fewer to use part-time employees alongside volunteers and paid-on-call staff.
Official synopsis: Amends the Emergency Medical Services (EMS) Systems Act. Provides that the Department of Public Health shall allow for an alternative rural staffing model for vehicle service providers that serve a rural or semi-rural population of 10,000 or fewer inhabitants and exclusively use volunteers, paid-on-call, or…
Became lawPublic Act . . . . . . . . . 104-0704 · 2026-07-31
REPEAL ILLINOIS TRUST ACT
Repeals the Illinois TRUST Act. Makes corresponding changes in the Illinois Identification Card Act and the Illinois Vehicle Code. Effective immediately.
Not out of committeeAdded Co-Sponsor Rep. Scott Doody · 2026-07-15
ANTHONY GILMAN HGWY
In plain English Designates Illinois Route 96 from Mozier to the Pike County line as the "Army Specialist Anthony William Gilman Highway".
Official synopsis: Designates Illinois Route 96 from Mozier to the Pike County line as the "Army Specialist Anthony William Gilman Highway".
Became lawAdopted Both Houses · 2026-05-31
ELEC CD-SOS VERIFICATION
Amends the Secretary of State Act. Provides that, by January 1, 2027, the Secretary of State shall establish and maintain a secure database that is accessible to local election officials and that indicates whether the particular person to whom a driver's license or State identification…
Not out of committeeReferred to Rules Committee · 2026-05-25
EDUCATION-TECH
Reinserts the contents of the bill as amended by Senate Amendment No. 1, but removes language providing that in determining whether or not a student has initiated sexual conduct, sexual assault, or attempted  sexual assault or whether to modify an expulsion, the hearing officer,…
Passed one chamberAdded Alternate Co-Sponsor Rep. Daniel J. Ugaste · 2026-05-15
SPC GILMAN HIGHWAY
In plain English Designates Illinois Route 96 from the City of Mozier to the Pike County line as the "Army Specialist Anthony William Gilman Highway".
Official synopsis: Designates Illinois Route 96 from the City of Mozier to the Pike County line as the "Army Specialist Anthony William Gilman Highway".
Passed one chamberReferred to Rules Committee · 2026-04-20
SCH CD-EXPEL STU-SEX VIOLENCE
In plain English Requires schools to expel for at least one year students found to have initiated sexual assault or nonconsensual sexual activity at school, unless the superintendent or school board modifies the requirement on a case-by-case basis.
Official synopsis: Amends the School Code. In provisions concerning a school board's suspension or expulsion of pupils, provides that a student who is determined to have initiated sexual activity with another individual without that individual's consent, a sexual assault, or an attempted sexual assault at a school,…
Out of committeeRule 19(a) / Re-referred to Rules Committee · 2026-04-17
CONGRATS-JMS CHEER TEAM
Congratulates the Jacksonville Middle School cheer team, the Crimsons, on winning two state titles at the 2026 Illinois Cheerleading Coaches Association (ICCA) Championship and a state title and a third place finish at the 2026 Illinois Elementary School Association (IESA) Cheerleading State Championship. Wishes the…
Became lawResolution Adopted · 2026-04-07
BARBER/COSMETOLOGY-EDUCATION
Amends the Barber, Cosmetology, Esthetics, Hair Braiding, and Nail Technology Act of 1985. Reduces the hours or credit hours required of education or training for various licenses under the Act. Makes conforming changes.
Not out of committeeRule 19(a) / Re-referred to Rules Committee · 2026-03-27
MOTOR FUEL-MARINE FUEL
Amends the Motor Fuel Tax Law. Provides that, on and after July 1, 2025, marine fuel is exempt from the tax imposed under the Act. Provides that "marine fuel" means motor fuel specially formulated to be used in the propulsion of watercraft. Effective immediately.
Not out of committeeAdded Co-Sponsor Rep. Travis Weaver · 2026-03-24
URGES-SENATE DEMS-FUND DHS
Urges Congressional Senate Democrats to support the funding measures proposed by Congressional House Republicans in H.R. 7147.
Not out of committeeReferred to Rules Committee · 2026-03-20
PROP TX-APPEALS
Amends the Property Tax Code. Provides that a corporation, limited liability company, or partnership may be represented by an attorney or by a non-attorney representative, including, but not limited to, an accountant or other tax representative.
Not out of committeeReferred to Rules Committee · 2026-02-06
MEDICAL COVERAGE-NONCITIZENS
Amends the Medical Assistance Article and the Administration Article of the Illinois Public Aid Code. Removes a provision requiring the Department of Healthcare and Family Services to cover kidney transplantation services for noncitizens under the medical assistance program. Removes provisions permitting the Department to provide…
Not out of committeeAdded Co-Sponsor Rep. Charles Meier · 2025-12-05
ELECTIONS VOTER PHOTO ID
Amends the Election Code. Requires Voters Identification Cards for those who do not have an acceptable photo ID. Sets forth requirements and exemptions. Provides that any person desiring to vote shall present to the judges of election for verification of the person's identity a government-issued…
Not out of committeeAdded Co-Sponsor Rep. Brandun Schweizer · 2025-12-02
CONGRATS-SCOTT D. HUMBARD
Congratulates Scott D. Humbard for his successful career, which began in our building and spun outward to encompass 17 states, and the generation of many gigawatts of essential electric energy for America's future.
Not out of committeeReferred to Rules Committee · 2025-10-29
“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.
SB3731 · 2026-05-31
FIRST 2026 GENERAL REVISORY (House Third Reading)
HB5228 · 2026-05-31
WORK COMP-STATE LICENSURE (House Concurrence)
SB3398 · 2026-05-31
CIV PRO-TENANTS IN COMMON (House Third Reading)
HB4203 · 2026-05-31
INS CD-CANCER SCREENINGS (House Concurrence)
HB5081 · 2026-05-31
VEH CD-ALTER SPEED LIMITS (House Concurrence)
HB5020 · 2026-05-31
JUV CT-EXTENDED JUR JUV PROS (House Concurrence)
SB3070 · 2026-05-31
EDUC-FOREIGN LANG ALTERNATIVE (House Third Reading)
HB3711 · 2026-05-31
PROFESSIONAL MISCONDUCT (House Concurrence)
HB4649 · 2026-05-31
FINANCIALLY EXPLOITED ADULT (House Concurrence)
SB0318 · 2026-05-31
BUSINESS-TECH (House Third Reading)
HB4534 · 2026-05-31
DCFS-ABUSED CHILD-GROOMING (House Concurrence)
HB3454 · 2026-05-31
EPINEPHRINE DELIVERY DEVICE (House Concurrence)
SB3393 · 2026-05-31
OSFM-CONTINUING EDUCATION (House Third Reading)
HB5492 · 2026-05-31
PRESCRIPTION HORMONE THERAPY (House Concurrence)
HB1810 · 2026-05-31
INCARCERATED-DISABILITIES (House Concurrence)
HB5449 · 2026-05-31
CONDO CI ASSN-DISCLSOURE INFO (House Concurrence)
SB3208 · 2026-05-31
VEH CD-HUSBANDRY IMPLEMENT DEF (House Third Reading)
SB3019 · 2026-05-31
FINANCE-AGRICULTURAL BORROWER (House Third Reading)
HB5093 · 2026-05-31
HIGHER ED-IN-STATE TUITION (House Concurrence)
HB2335 · 2026-05-31
VEH CD-VARIOUS (House Concurrence)
HB5387 · 2026-05-31
IDFPR-VARIOUS LICENSES (House Concurrence)
HB4327 · 2026-05-31
AUDITOR GENERAL-340B AUDIT (House Concurrence)
SB3222 · 2026-05-31
VIDEO STREAMING AD VOLUME (House Third Reading)
HB5090 · 2026-05-31
PROCUREMENT-CONSTRUCTION (House Concurrence)
SB2715 · 2026-05-31
OPEN MTGS-STATEWIDE ASSOC (House Third Reading)
HB2564 · 2026-05-31
PEN CD-TRS-SALARY INCREASES (House Concurrence)
HB4966 · 2026-05-31
DCFS-SECURE ACT (House Concurrence)
HB5487 · 2026-05-31
LAW FIRM OWNERSHIP (House Concurrence)
SB3561 · 2026-05-31
BUY-NOW-PAY-LATER ACT (House Third Reading)
SB3211 · 2026-05-31
TELEDENTISTRY EXAMINATIONS (House Third Reading)
HB2371 · 2026-05-31
DENTAL INSURANCE ASSIGNABILITY (House Concurrence)
HB4160 · 2026-05-31
AUTO INS-RIGHT TO APPRAISAL (House Concurrence)
HB4379 · 2026-05-31
ADULT CHANGING STATIONS (House Concurrence)
SB0248 · 2026-05-31
CRIM PRO-POST-CONVICT PETITION (House Third Reading)
SB3113 · 2026-05-31
CREDIT UNIONS-VARIOUS (House Third Reading)
HB1700 · 2026-05-31
FUNDS-COMMUNITY REINVESTMENT (House Concurrence)
HB2949 · 2026-05-31
FY27 BUDGET IMPLEMENTATION (House Concurrence)
HB3811 · 2026-05-31
PRIVATE PROFESSIONAL GUARDIANS (House Concurrence)
HB3595 · 2026-05-31
INS CD-PET INSURANCE (House Concurrence)
HB4911 · 2026-05-31
VETERAN SCRATCH-OFF GAME (House Concurrence)
SB3255 · 2026-05-31
DHS-DSP PILOT PROGRAM (House Third Reading)
SB3777 · 2026-05-31
HUMAN RIGHTS-DISPARTE IMPACT (House Third Reading)
SB3645 · 2026-05-31
REGULATORY SUNSET-RADIATION (House Third Reading)
HB3275 · 2026-05-31
SCH-CARDIAC EMERGENCY RESPONSE (House Concurrence)
HB5295 · 2026-05-31
REPRODUCTIVE HEALTH PRIVACY (House Concurrence)
SB3707 · 2026-05-31
VISION BENEFIT MANAGERS (House Third Reading)
HB2955 · 2026-05-31
EPA-PFAS WASTEWATER (House Concurrence)
Complete voting record from LegiScan (showing the 60 most recent of 2840 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 50 is House 99 plus House 100. The percentage is how often each of them ended up on the same side as C.D. Davidsmeyer on bills both voted on (each one’s final Yea or Nay on the bill).
Jil TracyState Senate 50 · Republican
83%
Kyle MooreState House 99 · Republican
94%
C.D. DavidsmeyerState House 100 · Republican · this page
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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