Mark Messmer
U.S. Representative, IN-8 since 2025. Re-elected in 2026. Next on the ballot in 2028.
U.S. Representative, IN-8Born 1967
- In office
- 1 yr
- Since 2025
- Bills became law
- 0
- 17 sponsored, 119th Congress
- Votes missed
- 2.1%
- Chamber median 2.1%
- With party
- 99%
- On votes splitting the parties
- Last margin
- +10.6
- Won 2026
- Next election
- 2028
- Nov 7, 2028
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET
Committees
119th Congress.
- House Committee on AgricultureLivestock, Dairy, and PoultryCommodity Markets, Digital Assets, and Rural DevelopmentConservation, Research, and Biotechnology
- House Committee on Armed ServicesStrategic ForcesReadiness
- House Committee on Education and WorkforceEarly Childhood, Elementary, and Secondary EducationWorkforce Protections
Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET
Legislation
Families · In committee Apr 2026
Labor and Employment · In committee Jan 2026
Armed Forces and National Security · Introduced Sep 2026
Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET
Voting record
Where Messmer sits in the U.S. House
Messmer is closer to the center than 55% of the chamber's Republicans.
Closest: Michael Baumgartner, Richard Hudson, Lloyd Smucker
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET
With Messmer’s party
- Votes with the chamber's Republicans99%
- Cosponsorships of the other party's bills7%
Black tick: the average of Republicans in the U.S. House.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Messmer’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Messmer | Rep. majority | Dem. majority | Result |
|---|---|---|---|---|---|
| Sep 16, 2026 | HR 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 | Yes | Yes | No | Passed 262–159 |
| Jun 30, 2026 | HCONRES 108: Directing the President pursuant to section 5(c) of the War Powers Resolution to… | No | No | Yes | Failed 189–235 |
| Jun 9, 2026 | S 2: Secure America Act | Yes | Yes | No | Passed 214–212 |
| May 13, 2026 | HR 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure… | Yes | Yes | No | Passed 218–203 |
| Feb 12, 2026 | HR 2189: To modernize Federal firearms laws to account for advancements in technology and… | Yes | Yes | No | Passed 233–185 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Messmer was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Elections
Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.
| Year | Race | Result | Margin | Seat | +/− |
|---|---|---|---|---|---|
| 2026 | Indiana's 8th District | Won | R+10.6 | R+36.5 | −25.9 |
| 2024 | U.S. House, IN-8 | Won | R+38.5 | — | — |
| 2022 | Indiana State Senate, District 48 | Won | R+44.7 | — | — |
| 2018 | Indiana State Senate, District 48 | Won | — | — | — |
| 2014 | Indiana State Senate, District 48 | Won | R+31.3 | — | — |
| 2014 | Indiana State Senate, District 48 (primary) | Won | +60.1 | — | — |
| 2012 | Indiana House of Representatives, District 63 | Won | — | — | — |
| 2010 | Indiana House of Representatives, District 63 | Won | R+45.7 | — | — |
| 2008 | Indiana House of Representatives, District 63 | Won | R+14.4 | — | — |
Source: 99chambers results archive; 2026: Indiana Election Division and civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $1.4M
- Spent
- $1.1M
- Cash
- $550.9K
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Campaign committees
Open committees can still raise and spend money.
| MESSMER FOR CONGRESS FEC | Active |
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Seats Messmer has held
- U.S. House, IN-8 · 2025–2027
- Indiana State Senate, District 48 · 2014–2026
- Indiana House of Representatives, District 63 · 2008–2014
Source: 99chambers results archive
Who Messmer has run against
- Mary Allen (D) · 2026 general, won
- Erik Hurt (D) · 2024 election, won
- Jeff Hill (D) · 2022 election, won
- Larry Vollmer (D) · 2014 election, won
- Daniel M. Steiner (D) · 2010 election, won
- John G. Burger (D) · 2008 election, won
Source: 99chambers results archive; 2026: Indiana Election Division and civicAPI (unofficial)
How we know Messmer
One person, matched across every source we use.
- Bioguide M001233
- FEC H4IN08249
- Wikidata Q6768869
- Ballotpedia Mark Messmer
- Vote Smart 102958
- GovTrack 456989
- OpenSecrets N00054523
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET