Nonpartisan · Data from OpenStates / Plural Policy · Illinois
Votes with Democrats
99%
on 242 party-line votes · Senate Democrats median 100%
Cast a vote
92%
Yea or Nay on 1,204 of 1,312 roll calls · Senate median 95%
Their bills that became law
35 of 96
as a primary sponsor, this session · Democrats median 29.5
Roll calls on record
1,312
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 Mike Porfirio 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 Porfirio 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 Porfirio is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
1 of 242 party-line votes.
SB1950 · SANITARY FOOD PREPARATION
Senate Concurrence · 2025-10-30 · Passed 30–27 · most Democrats voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
HB3385 · HIGHER ED-MENTAL HEALTH ACTION
Senate Higher Education Committee · 2025-05-07 · Failed 7–5
SB0071 · IEMA-SCHOOL SAFETY
Senate Education Committee · 2025-03-18 · Passed 4–2
HB4990 · HIGHER ED-PREVENT SEX VIOLENCE
Senate Higher Education Committee · 2026-05-06 · Passed 8–5
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
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 · 222 shared contested votes
48%
Darby HillsRepublican · District 26 · 222 shared contested votes
45%
Don DeWitteRepublican · District 33 · 242 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 (108 in all). Gaps are months the chamber wasn’t voting.
← Illinois Delegation
YeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYeaYea
Their bills, from filing to law
Bills Mike Porfirio 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.
Introduced96
Out of committee43
Passed one chamber39
Passed both chambers35
Became law35
Never left committee53
For comparison, the median Democratic member of the Senate has 29.5 bills that became law this session.
HOME EQUITY-FLOOD REBATE
In plain English Allows governing commissions to offer homeowners up to $1,000 rebates covering 50% of flood damage costs for three years.
Official synopsis: Amends the Home Equity Assurance Act. Provides that a governing commission may establish a program to provide a one-time per household direct relief payment in the form of a rebate to a member who owns a residence that is subject to flood damage. Provides that…
Became lawPublic Act . . . . . . . . . 104-0834 · 2026-08-14
VEH CD-ALTER SPEED LIMITS
In plain English Allows local authorities to set speed limits between 20-25 mph in urban areas and 10 mph in alleys without requiring traffic studies.
Official synopsis: Amends the Illinois Vehicle Code. With regard to automated speed enforcement systems in safety zones, provides that "safety zone" does not include any roadway in which the 30 mile per hour speed limit is decreased by local ordinance without an engineering or traffic investigation. Provides…
Became lawPublic Act . . . . . . . . . 104-0787 · 2026-08-07
CHICAGO LIFEGUARD AGE MINIMUM
In plain English Extends tax increment allocation redevelopment project completion dates for multiple Illinois municipalities and allows the City of Lacon to extend one district to 47 years.
Official synopsis: Amends the Tax Increment Allocation Redevelopment Act of the Illinois Municipal Code. Extends the estimated dates of completion of redevelopment projects and the retirement of obligations issued to finance redevelopment project costs for various ordinances adopted by the City of Spring Valley, the City of…
Became lawPublic Act . . . . . . . . . 104-0756 · 2026-08-07
ROOFTOP SAFETY-BUILDING SURVEY
In plain English Requires municipalities to survey new buildings with skylights and roof openings by January 2027 and every two years after, and to develop a method for tracking existing buildings with such features.
Official synopsis: Amends the Rooftop Safety for First Responders Act. Provides that, no later than January 1, 2027, and every 2 years thereafter, each municipality shall complete a survey of new buildings (rather than just a survey of buildings) in its jurisdiction that have skylights and other…
Became lawPublic Act . . . . . . . . . 104-0739 · 2026-07-31
VEH CD-PLATES-ENGINEERS
In plain English Allows the Secretary of State to issue special registration plates for International Union of Operating Engineers, Local 150 members for a $30 fee.
Official synopsis: Amends the Illinois Vehicle Code. Allows the Secretary of State to issue special registration plates for International Union of Operating Engineers, Local 150 license plates. Provides that an applicant for the special plate shall be charged a $30 fee for original issuance. Creates the Sweeney…
Became lawPublic Act . . . . . . . . . 104-0725 · 2026-07-31
VEH CD-PASSING SCHOOL BUS
Amends the Illinois Vehicle Code. Provides that, for each violation of a provision of the Code or a local ordinance recorded by an automated traffic law enforcement system, the county or municipality having jurisdiction shall issue a written notice of the violation to the registered…
Became lawPublic Act . . . . . . . . . 104-0587 · 2026-07-24
VETERAN SUICIDE PREVENTION
In plain English Continues a veteran suicide prevention advisory council within the Department of Public Health with modified duties and composition.
Official synopsis: Amends the Department of Public Health Act. Provides that the Breakthrough Therapies for Veteran Suicide Prevention Program Advisory Council created by Public Act 103-8 is continued within the Department of Public Health, with modifications to its duties and composition. Amends the Department of Healthcare and…
Became lawPublic Act . . . . . . . . . 104-0576 · 2026-07-15
DEPT MILITARY AFF-JEEP PGRAM
In plain English Allows the Department of Military Affairs to grant money to current National Guard members who help recruit new soldiers or airmen.
Official synopsis: Amends the Military Code of Illinois. Provides that the Department of Military Affairs has the authority to make grants from the Military Affairs Trust Fund for the purpose of incentivizing recruitment into the Illinois National Guard. Provides that the Joint Enlistment Enhancement Program (JEEP) is…
Became lawPublic Act . . . . . . . . . 104-0575 · 2026-07-15
SERVICEMEMBERS-SERVE ACT
Reinserts the provisions of the introduced bill with the following changes: In the definition of "service member student", deletes language expanding the definition to include the spouse of a service member. Provides that accommodations made by an institution of higher education for a service member…
Became lawPublic Act . . . . . . . . . 104-0574 · 2026-07-15
VETERAN SERVICE ORGANIZATIONS
Amends the Veteran Service Organizations State Charter Act. Changes the name of the Act to the Veteran Service Organizations Equal Act. Provides that a veteran service organization shall be considered to have veteran service organization status (rather than shall be considered state chartered) when the…
Not out of committeeAdded as Co-Sponsor Sen. Erica Harriss · 2026-07-13
$CHICAGO CULTURAL DISTRICT
Appropriates $5,200,000 from the General Revenue Fund to the Department of Commerce and Economic Opportunity for grants to the Cook County to be used as supplemental funding for the Build Up Cook program. Effective July 1, 2026.
Not out of committeePursuant to Senate Rule 3-9(b) / Referred to Assignments · 2026-07-02
OPEN MTGS-STATEWIDE ASSOC
If and only if Senate Bill 243 of the 104th General Assembly, as amended by House Amendment No. 1, becomes law, then the Open Meetings Act is amended to allow a public body to hold closed meetings to consider self evaluation, practices and procedures, or…
Passed one chamberPursuant to Senate Rule 3-9(b) / Referred to Assignments · 2026-07-02
IEMA-OHS-ENVIRONMENTAL SAMPLES
In plain English Allows the Illinois Emergency Management Agency and Office of Homeland Security to enter public and private property to collect environmental samples after radioactive contamination from a disaster.
Official synopsis: Amends the Nuclear Safety Law of 2004. Provides that the Illinois Emergency Management Agency and Office of Homeland Security has the right to enter on public and private property in order to take environmental samples in response to a disaster that causes radioactive contamination. Effective…
Became lawPublic Act . . . . . . . . . 104-0517 · 2026-06-26
REGULATORY SUNSET-RADIATION
In plain English Extends the repeal dates for multiple state programs and acts, including radiation protection, judicial election financing, voting systems study, gun storage awareness, renewable energy recycling, and others.
Official synopsis: Amends the Regulatory Sunset Act. Provides that the Radiation Protection Act of 1990 shall be repealed on January 1, 2037 (rather than January 1, 2027). Amends the Election Code. In provisions concerning the Public Financing of Judicial Elections Task Force, provides that the Task Force…
Became lawPublic Act . . . . . . . . . 104-0532 · 2026-06-26
RENTAL PAYMENT INFO-REPORTING
Amends the Landlord and Tenant Act. Provides that any landlord of a dwelling unit of residential real property must offer any tenant the option of having the tenant's rental payment information reported to at least one nationwide consumer reporting agency as long as the consumer…
Not out of committeeRule 3-9(a) / Re-referred to Assignments · 2026-06-01
“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 1312 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 11 is House 21 plus House 22. The percentage is how often each of them ended up on the same side as Mike Porfirio on bills both voted on (each one’s final Yea or Nay on the bill).
Mike PorfirioState Senate 11 · Democratic · this page
Abdelnasser RashidState House 21 · Democratic
100%
Angie Guerrero-CuellarState House 22 · 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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