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U.S. Representative · Indiana 8th District
Mark B. Messmer
RepublicanDistrict R+18119th CongressOn the ballot 2026
Typical swing score20#365 of 433 representatives across tracked bills
Contact Mark B. Messmer’s office
Official D.C. office details from the congress-legislators datasetWashington, D.C. office1208 Longworth House Office Building Washington DC 20515-1408
Model
Directional: count only breaks toward the other partyWhy do scores change?v3default (selected)v2 model swing-v2
Signals to watch
What in this member’s district, record and ideology could move them, and in which direction. Their score is the same on every bill they haven’t committed to, so these are the things to watch.Could pull them toward Democrats · 2 signals
- WeakBroke with Republicans on 1 of 349 recorded votes on tracked billsVoted against the majority of House Republicans on 1 of the 349 recorded yea/nay votes they cast on tracked bills (0%). The median House Republican broke on 1%; this member ranks 181 of 219 by break rate.
- Sponsored or cosponsored: H.R. 3422 Promoting Opportunities for Non-Traditional Capital Formation Act
- WeakBacks 1 Democratic-led tracked billSponsor or active cosponsor of 1 of the 2090 tracked bills that were introduced by Democrats: H.R. 4446.
- Sponsored or cosponsored: H.R. 4446 FAST VETS Act
Keeps them with Republicans · 2 signals
Term and election
From the congress-legislators datasetOn the ballot 2026
- Current term
- January 3, 2025 – January 3, 2027
- Next election
- November 3, 2026
- Years in office
- 1.8 years
Committees
Seats on a bill’s committee of referral add a in swing-v3- House Committee on AgricultureMajority · 26th in seniority
- Subcommittee on Conservation, Research, and Biotechnology
- Subcommittee on Commodity Markets, Digital Assets, and Rural Development
- Subcommittee on Livestock, Dairy, and Poultry
- House Committee on Armed ServicesMajority · 27th in seniority
- Subcommittee on Readiness
- Subcommittee on Strategic Forces
- House Committee on Education and Workforce
Voting ideology
first dimension, from VoteviewR median
D median
Messmer← More liberal (−1)More conservative (+1) →
Their score of +0.544 is 0.01 to the right of the House Republican median (+0.530).
Advocacy scorecards
Their rating vs. the House Republican average- 119th Congress96House Republican average: 86 (n=217)
Swing score by bill
swing-v3, directional · a bill marks a member as committed to itShowing 201–250 of 1962 tracked bills, best swing first
| Bill | Their role | Swing score · | ||
|---|---|---|---|---|
| H.R. 6916Federal Program Integrity and Fraud Prevention Act of 2026Summary on Congress.gov | No position yetNow in the Senate | No recorded vote | 28
| Entrenched |