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2026 candidates we're tracking in IN-8
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Mary Allen
Democratic
Mary Allen is an at-large member of the Evansville City Council, elected in 2023, and a U.S. Army Reserve veteran. She is a business owner focused on sustainability who previously spent 10 years leading an urban non-profit ministry, according to Indiana Public Media. No campaign website was found as of September 8, 2026.
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Mark Messmer
Republican
Incumbent
Mark Messmer is the Republican U.S. Representative for Indiana's 8th Congressional District, according to his official House website. He and his wife Kim were small business owners, and he served in the Indiana Statehouse before being elected to Congress, per his official biography. No campaign website was found as of September 8, 2026.
About this race
Indiana's 8th Congressional District elects one member of the U.S. House of Representatives to a two-year term. Every House seat in the country is on the ballot in 2026. The Indiana primary is Tuesday, May 5, 2026, and the general election is Tuesday, November 3, 2026.