Nonpartisan · Data from OpenStates / Plural Policy · Missouri
MM
Republican
· State Senator
Mike Moon
Represents District 29 in the State Senate.
Votes with Republicans
30%
on 33 party-line votes · Senate Republicans median 97%
Cast a vote
100%
Yea or Nay on 170 of 170 roll calls · Senate median 96%
Their bills that became law
1 of 47
as a primary sponsor, this session · Republicans median 2
Roll calls on record
170
2026 Regular Session
Votes and bills updated Oct 11, 2026 from LegiScan (CC BY 4.0), which republishes the legislature’s own records. Profile details from OpenStates / Plural Policy. Figures cover 2026 Regular Session.
How Mike Moon 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 Moon 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 Moon is circled.
Always on the Republican sideAlways on the Democratic side
Times they broke with their party
23 of 33 party-line votes, most recent 10 shown.
SB953 · Modifies provisions relating to environmental programs within the Department of Natural Resources
Senate: Third Reading · 2026-05-15 · Passed 21–9 · most Republicans voted the other way
SB953 · Modifies provisions relating to environmental programs within the Department of Natural Resources
Senate: Third Reading · 2026-05-15 · Passed 21–9 · most Republicans voted the other way
SB999 · Modifies provisions relating to vulnerable persons
Senate: Third Reading · 2026-05-06 · Passed 18–14 · most Republicans voted the other way
HB2020 · Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government
Senate: Third Reading · 2026-05-06 · Passed 20–13 · most Republicans voted the other way
HB2020 · Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government
Senate: Conference Committee Report Adoption · 2026-05-06 · Passed 20–13 · most Republicans voted the other way
HB2003 · Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development
Senate: Third Reading · 2026-05-06 · Passed 23–11 · most Republicans voted the other way
HB2003 · Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development
Senate: Conference Committee Report Adoption · 2026-05-06 · Passed 24–10 · most Republicans voted the other way
SB982 · Modifies provisions relating to the sex offender registry
Senate: Third Reading · 2026-04-23 · Passed 23–6 · most Republicans voted the other way
SB982 · Modifies provisions relating to the sex offender registry
Senate: Third Reading · 2026-04-23 · Passed 23–6 · most Republicans voted the other way
HB2006 · Appropriates money for the expenses, grants, refunds, and distributions of the Department of Agriculture, the Department of Natural Resources, and the Department of Conservation
Senate: Third Reading · 2026-04-22 · Passed 25–7 · most Republicans voted the other way
Closest votes they cast
Roll calls decided by the fewest votes, one per bill.
SB999 · Modifies provisions relating to vulnerable persons
Senate: Third Reading · 2026-05-06 · Passed 18–14
SB938 · Modifies certain provisions relating to land surveying
Senate: Third Reading · 2026-02-26 · Passed 18–13
HB2097 · Changes a pilot agricultural education program in elementary schools to a statewide program
Senate: Third Reading · 2026-05-14 · Passed 19–12
HB2020 · Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government
Senate: Conference Committee Report Adoption · 2026-05-06 · Passed 20–13
HJR173 · Proposes a constitutional amendment relating to taxation
Senate: Adopt Substitute · 2026-04-15 · Passed 18–11
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.
Maggie NurrenbernDemocrat · District 17 · 67 shared contested votes
48%
Angela MosleyDemocrat · District 13 · 63 shared contested votes
44%
Doug BeckDemocrat · District 1 · 68 shared contested votes
44%
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 (0 in all). Gaps are months the chamber wasn’t voting.
← Missouri Delegation
YeaYeaYeaNayYeaYeaYeaYeaYeaNayNayNayNayYeaNayYeaYeaNayYeaYeaYeaNayYeaYeaNayNayYeaNayNayNayNayYeaYeaNayYeaNayYeaNayYeaNayNayYeaYeaNayNayNayNayNayNayNayNayNayNayNayNayNay
Their bills, from filing to law
Bills Mike Moon 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 committee2
Passed one chamber2
Passed both chambers1
Became law1
Never left committee45
For comparison, the median Republican member of the Senate has 2 bills that became law this session.
Modifies Senate Rule 96 to provide that, no later than January 1, 2027, the Senate shall provide an audio and video feed of its proceedings on the website of the Senate
Not out of committeeResolutions Calendar · 2026-05-15
Provides for the election of all judges
Not out of committeeSecond Read and Referred S Judiciary and Civil and Criminal Jurisprudence Committee · 2026-05-07
Provides for the election of all judges
Not out of committeeSecond Read and Referred S Judiciary and Civil and Criminal Jurisprudence Committee · 2026-05-07
Creates an income tax deduction for certain dependents
Passed one chamberVoted Do Not Pass H Ways and Means · 2026-05-05
Creates provisions relating to weather modification
Not out of committeeSCS Voted Do Pass S Agriculture, Food Production and Outdoor Resources Committee (4680S.05C) · 2026-04-23
Modifies Senate Rule 96 to provide that, no later than April 1, 2026, the Senate shall provide an audio and video feed of its proceedings on the website of the Senate
Became lawMotion to table SR 668 S adopted (Coleman) · 2026-04-22
Defines "person" in relation to the equal protection of laws
Not out of committeeVoted Do Pass S Emerging Issues and Professional Registration Committee · 2026-04-14
Modifies provisions relating to gender transition
Not out of committeeVoted Do Pass S Families, Seniors and Health Committee · 2026-04-08
Creates provisions relating to lifetime protection orders
Not out of committeeVoted Do Pass S Judiciary and Civil and Criminal Jurisprudence Committee · 2026-04-08
Prohibits the enforcement of any federal regulation by a state department or agency until the enforcement is approved by the General Assembly
Not out of committeeVoted Do Pass S Government Efficiency Committee · 2026-03-23
Creates provisions relating to artificial intelligence
Not out of committeeHearing Conducted S General Laws Committee · 2026-03-04
Prohibits expenditures by state departments for certain diversity initiatives
Not out of committeeHearing Conducted S Government Efficiency Committee · 2026-03-02
Modifies Senate Rule 96 to provide that, no later than March 1, 2026, the Senate shall provide an audio and video feed of its proceedings on the website of the Senate
Not out of committeeHearing Conducted S Rules, Joint Rules, Resolutions and Ethics Committee · 2026-02-25
Modifies provisions relating to additional protections to bear arms
Not out of committeeVoted Do Pass S Transportation, Infrastructure and Public Safety Committee · 2026-02-23
Establishes the Missouri Homestead Act
Not out of committeeVoted Do Pass S Economic and Workforce Development Committee · 2026-02-18
Descriptions are the legislature’s own synopsis. Bill data from LegiScan, CC BY 4.0.
Loading committees…
HB2397 · 2026-05-15
Modifies requirements for a dissolution of a public water supply district (Senate: Conference Committee Report Adoption)
HB2397 · 2026-05-15
Modifies requirements for a dissolution of a public water supply district (Senate: Third Reading)
HB2885 · 2026-05-15
Requires all proceeds from boating registrations to be deposited in the water patrol division fund and used exclusively for the water patrol division (Senate: Third Reading)
SB973 · 2026-05-15
Creates and modifies provisions relating to real estate transactions (Senate: Third Reading)
SB1572 · 2026-05-15
Modifies provisions relating to public employee retirement systems (Senate: Third Reading)
SB1572 · 2026-05-15
Modifies provisions relating to public employee retirement systems (Senate: Third Reading)
HB2474 · 2026-05-15
Modifies provisions governing design-build contracts (Senate: Third Reading)
HB2474 · 2026-05-15
Modifies provisions governing design-build contracts (Senate: Third Reading)
HB1768 · 2026-05-15
Modifies provisions relating to the classification of certain residential real property used for short-term rentals (Senate: Third Reading)
SB953 · 2026-05-15
Modifies provisions relating to environmental programs within the Department of Natural Resources (Senate: Third Reading)
HB1867 · 2026-05-15
Authorizes Joplin to increase a transient guest tax for tourism to no more than six percent upon a vote of the people (Senate: Third Reading)
HB3080 · 2026-05-15
Modifies the historic preservation tax credit and includes an emergency clause (Senate: Emergency Clause)
HB2292 · 2026-05-15
Modifies provisions relating to abuse and neglect reporting, including a requirement to report companion animal abuse (Senate: Third Reading)
HB1740 · 2026-05-14
Modifies provisions relating to driving while intoxicated (Senate: Third Reading)
HB2636 · 2026-05-14
Establishes the "Uniform Mortgage Modification Act" (Senate: Third Reading)
SB1544 · 2026-05-14
Modifies provisions relating to state designations (Senate: Third Reading)
SB1544 · 2026-05-14
Modifies provisions relating to state designations (Senate: Third Reading)
HB2097 · 2026-05-14
Changes a pilot agricultural education program in elementary schools to a statewide program (Senate: Third Reading)
SB905 · 2026-05-14
Modifies language relating to school protection officers and creates Missouri Rangers training program (Senate: Third Reading)
SB905 · 2026-05-14
Modifies language relating to school protection officers and creates Missouri Rangers training program (Senate: Third Reading)
HB2397 · 2026-05-14
Modifies requirements for a dissolution of a public water supply district (Senate: Third Reading)
HB2372 · 2026-05-13
Modifies provisions relating to health care (Senate: Third Reading)
HB1840 · 2026-05-13
Establishes an alert system to assist in the location of missing persons with developmental disabilities (Senate: Third Reading)
SB975 · 2026-05-13
Modifies provisions relating to ambulance districts (Senate: Third Reading)
HB2596 · 2026-05-13
Modifies provisions relating to health benefit plans (Senate: Third Reading)
HB3231 · 2026-05-13
Establishes the "Missouri Innovation, Public Safety, and Accountability Act" (Senate: Third Reading)
HB2819 · 2026-05-13
Modifies provisions relating to certain cash transactions requiring rounding to the nearest five cent denomination (Senate: Conference Committee Report Adoption)
HB2819 · 2026-05-13
Modifies provisions relating to certain cash transactions requiring rounding to the nearest five cent denomination (Senate: Conference Committee Report Adoption)
HB2819 · 2026-05-13
Modifies provisions relating to certain cash transactions requiring rounding to the nearest five cent denomination (Senate: Third Reading)
SB1470 · 2026-05-13
Modifies duties and functions of the Joint Committee on Legislative Research (Senate: Conference Committee Report Adoption)
SB1470 · 2026-05-13
Modifies duties and functions of the Joint Committee on Legislative Research (Senate: Third Reading)
SB1470 · 2026-05-13
Modifies duties and functions of the Joint Committee on Legislative Research (Senate: Third Reading)
HB1839 · 2026-05-12
Establishes provisions relating to civil liability for publishing or distributing material harmful to minors on the internet (Senate: Third Reading)
SB878 · 2026-05-12
Modifies provisions relating to pharmaceutical drugs and devices (Senate: Third Reading)
HB2819 · 2026-05-12
Modifies provisions relating to certain cash transactions requiring rounding to the nearest five cent denomination (Senate: Third Reading)
HB2508 · 2026-05-12
Allows for a search of the series LLC in the SoS Business Entity website and to obtain a certificate of good standing (Senate: Third Reading)
HB2576 · 2026-05-12
Creates several new state designations (Senate: Reconsider)
HB2576 · 2026-05-12
Creates several new state designations (Senate: Third Reading)
HB1940 · 2026-05-07
Changes the law regarding advertisements and orders of publication in newspapers (Senate: Third Reading)
SB1233 · 2026-05-07
Modifies provisions relating to activities requiring licensure (Senate: Third Reading)
HB1825 · 2026-05-07
Removes the prosecuting attorney and the sheriff from the county salary commission (Senate: Third Reading)
SB937 · 2026-05-07
Conveys certain state property (Senate: Third Reading)
SB937 · 2026-05-07
Conveys certain state property (Senate: Third Reading)
SB1694 · 2026-05-06
Authorizes incentives for downtown redevelopment (Senate: Third Reading)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Conference Committee Report Adoption)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Conference Committee Report Adoption)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Conference Committee Report Adoption)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Conference Committee Report Adoption)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Third Reading)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Third Reading)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Third Reading)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Third Reading)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Third Reading)
HB2003 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development (Senate: Third Reading)
HB2020 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government (Senate: Conference Committee Report Adoption)
HB2020 · 2026-05-06
Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government (Senate: Third Reading)
Complete voting record from LegiScan (showing the 60 most recent of 170 total roll-call votes this session).
Primary Office
Sources:
Follow Mike Moon
One email a week, only when there’s something: every time they broke with their party, and the closest votes they cast. Free, and you can stop any time.