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2026 candidates we're tracking in IN-1
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Frank J. Mrvan
Democratic
Incumbent
Frank J. Mrvan is the Democratic U.S. Representative for Indiana's 1st Congressional District, seeking a fourth term in Congress, according to his campaign website. He serves as Vice Chairman of the Congressional Steel Caucus, per his official House website. His campaign site says he has focused on securing federal investments to grow Northwest Indiana's economy.
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Barb Regnitz
Republican
Barb Regnitz is a Porter County commissioner with a background in technology and finance. She holds Purdue University degrees in mathematics and German and has worked as a software engineer/project manager and as a Certified Financial Planner, according to WFYI. No campaign website was found as of September 8, 2026.
About this race
Indiana's 1st 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.