Mark Messmer — Voting Record & Political Positions
U.S. Representative for IN's 8th Congressional District · Republican
Mark Messmer is a Republican U.S. Representative for IN's 8th Congressional District. This page tracks Mark Messmer's congressional voting record, attendance, legislative effectiveness, and positions on key issues. In office since 2025.
Mark Messmer's Voting Record at a Glance
Party-line voting: votes with Republican 96.06% of the time (3.94% of votes break with the party).
Legislative effectiveness: sponsored 202 bills, 7 of which were enacted into law.
Top Issues Mark Messmer Votes On
Climate Change
Immigration
Taxation
Defense Spending
Renewable Energy
Health Insurance
How Mark Messmer Voted on Recent Bills
Yea on “Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to Buffalo Field Office Record of Decision and Approved Resource Management Plan Amendment.” (2025-11-20) — Passed
Yea on “Energy and Water Development and Related Agencies Appropriations Act, 2026” (2025-09-04) — Failed
Nay on “Rescissions Act of 2025” (2025-07-17) — Failed
Nay on “One Big Beautiful Bill Act” (2025-07-03) — Failed
Yea on “Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Advanced Clean Trucks; Zero Emission Airport Shuttle; Zero-Emission Power Train Certification; Waiver of Preemption; Notice of Decision".” (2025-05-22) — Passed
Nay on “Make the District of Columbia Safe and Beautiful Act of 2025” (2026-03-25) — Failed
When Mark Messmer Broke With the Republican Party
Mark Messmer has voted against the Republican majority on about 3.9% of party-line votes tracked. Recent examples:
Voted No on “Energy and Water Development and Related Agencies Appropriations Act, 2026” (2025-09-03) while most Republicans voted Yea — Failed.
Voted No on “Energy and Water Development and Related Agencies Appropriations Act, 2026” (2025-09-03) while most Republicans voted Yea — Failed.
Voted No on “Energy and Water Development and Related Agencies Appropriations Act, 2026” (2025-09-03) while most Republicans voted Yea — Failed.
Voted Aye on “Department of Defense Appropriations Act, 2026” (2025-07-18) while most Republicans voted No — Failed.
Voted Nay on “Promoting Opportunities for Non-Traditional Capital Formation Act” (2025-06-23) while most Republicans voted Yea — Passed.