Incumbent
Mark Messmer
Incumbent Republican candidate for U.S. House in Indiana
Incumbent
$5.2K
NOV 7, 2026
General Election
Voters choose the office holder.
Live Odds — IN-08 House winner?
Current prediction-market probability for the candidate, updated as market prices change.
96.9%chance to win
$5.2KNOV 7, 2026Candidate Overview
Key details about the candidate’s background, party, office sought and current campaign.
Current roleU.S. Representative
PartyRepublican
Political ideologyTrump-aligned Republican
Age63 years old (Sep 21, 1962)
GenderMale
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LocationIndiana
BackgroundPolitician
EducationJasper High School (graduated 1981)
Notable personal detailsMark Brian Messmer is an American politician and engineer who has served as the U.S. Representative for Indiana's 8th congressional district since 2025. A Republican, he previously served in the Indiana House of Representatives (2008–2014) and the Indiana Senate (2014–2024), including a stint as Indiana Senate Majority Leader. He is a Purdue University graduate and has worked as a business owner.
SourcesShowHide
Political Positions
Economy & Taxes
Mark Messmer emphasizes lower taxes, smaller government, and pro-growth economic policies. He has praised legislation providing tax relief and supported measures he says strengthen the economy, rural communities, and American producers.
Healthcare
Mark Messmer’s healthcare position emphasizes market-based reforms and reducing insurance bureaucracy. He has supported limiting prior authorization, improving competition in healthcare markets, and expanding mental health access through state-led initiatives.
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Immigration & Border
Mark Messmer calls for securing the southern border, deporting illegal immigrants, and ending birthright citizenship for people in the country illegally. His campaign page also cites support for tougher state enforcement measures, including detaining certain undocumented felony suspects, banning sanctuary universities, and opposing sanctuary cities.
Abortion & Reproductive Rights
Mark Messmer publicly identifies as pro-life and has said he will defend the unborn and expand abortion alternatives. He has also supported legislation to impose penalties for the non-consensual administration of abortion-inducing drugs and described himself as a reliable vote for the pro-life community.
Climate & Energy
Mark Messmer’s public record emphasizes support for coal mining, domestic energy production, and limits on Washington regulations. He presents mining as a crucial source of energy and argues against rigid federal rules that create burdens for miners and operators.
Latest News
Mark Messmer is in the news as a Republican candidate in a crowded 2026 election cycle, with coverage focused on GOP primary battles and broader party performance. Recent reports show Trump-backed candidates have had some losses in 2026 races, while Republicans are still trying to hold an overall advantage in key battlegrounds. The latest summaries do not give a specific new development about Messmer himself, so his news appears tied mainly to the wider campaign environment.
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Campaign Fundraising
Latest report: Cycle 2026Campaign finance totals from the latest available reporting period.
2024
2026
LatestCycle 2024
Cycle 2026
Source: FEC
New updates coming soon
We're monitoring and will update when new data impacts the race.
- Polls
- Endorsements