Sen. Mike Gaskill, R-Pendleton, argues in support of a redistricting bill in the Senate Chamber Dec. 11, 2025. (Photo by Casey Smith/Indiana Capital Chronicle)

The Republican-dominated Indiana Senate voted 19-31 on Thursday against redrawing the state’s congressional districts — spurning months of demands from President Donald Trump.

The final outcome remained uncertain until 21 Republicans joined all 10 Democratic senators in rejecting the redistricting plan.

With that tally, Indiana became the first Republican-led state Legislature to vote down Trump’s wish to squeeze out more GOP-friendly congressional seats in hopes of improving the party’s chances of keeping its slim U.S. House majority after the 2026 midterm elections.

The Indiana House last week approved the new maps crafted by

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