The Winner
If you live in Indiana's 1st U.S. House District, you will continue to be represented in Congress by Frank Mrvan) (D-IN), who has been declared the winner of the 2026 congressional race, according to the Associated Press. The Associated Press called the race for Frank Mrvan on Nov. 3, 2026, at 10:46 p.m., while general-election votes are still being counted; his roughly 80.2 percent share came in the Democratic primary, not the general election. The seat stays in Democratic hands.
The Race
Barb Regnitz, the Republican opponent, advanced through the May 5, 2026, Republican primary, taking about 45.8 percent of the vote across a three-candidate field to reach the general election ballot. Cook Political Report rated the seat Likely Democratic, and Inside Elections and Sabato's Crystal Ball rated it Likely Democratic as well.
Indiana's 1st Congressional District has a total population of about 757,900 and a median household income of about $74,000, according to Geographies data for the district; the median age is about 40, and about 26.7 percent of adults hold a bachelor's degree or higher. The district's population is about 63.6 percent white, 17.8 percent Black and 17.4 percent Hispanic, with an unemployment rate of about 5.7 percent and about 13.3 percent of residents living below the poverty line.
The district covers all of Lake and Porter counties and northwest LaPorte County, including most of the city of LaPorte, according to the U.S. House of Representatives.
What's Next
Mrvan is set to take office on Jan. 3, 2027. His reelection means he will continue serving on the House Appropriations Committee, which helps decide federal funding for Northwest Indiana, including South Shore line and Gary/Chicago airport funding, according to Capital B Gary reporter Calvin Davis, in a November 2026 election-results report.
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