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NewsNPR PoliticsMay 4, 2026United States

Millions in Outside Spending Target Indiana State Senators Over Redistricting Vote

Seven incumbent Indiana Republican state senators are facing well-funded primary challenges after voting against a mid-decade redistricting push supported by former President Donald Trump. Nearly $7 million has been spent on TV ads in these races, with Trump-aligned groups actively supporting the challengers.

electionsredistrictingcampaign financepolitical partiesIndiana
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Why It Matters

The outcome of these primary elections will determine whether seven incumbent Republican state senators retain their seats or are replaced by candidates backed by former President Trump, following a dispute over state congressional map redrawing.

Key Facts

  • Seven incumbent Republican state senators in Indiana are facing primary challenges for voting against a mid-decade redistricting push.
  • Nearly $7 million has been spent on TV ads in Indiana state senate races this year, primarily aimed at defeating the incumbents who opposed the redistricting.
  • A Trump-aligned dark money group contributed $1.5 million to an organization running ads against the incumbents.
  • The Club for Growth is spending approximately $2 million, primarily on mailers, to support challengers.
  • Incumbent state senator Jim Buck reported facing over $1 million in opposition spending in his specific race.
  • Challengers in these races received endorsements from former President Donald Trump and visited the White House in March.
  • The primary election is scheduled for Tuesday.

Who's Mentioned

organizationThe Club for Growth“Political organization spending approximately $2 million on mailers in Indiana r”personPaula Copenhaver“Trump-endorsed challenger running against Spencer Deery.”personDavid McIntosh“President of The Club for Growth.”organizationClub for Growth“s," said David McIntosh, a former congressman from Indiana and president of The ”organizationAdImpact“Firm that tracked nearly $7 million in TV ad spending for Indiana state senate r”personMarty Obst“Republican political consultant who led the redistricting push.”organizationTurning Point USA“ons." Indiana state senate hopeful Paula Copenhaver stands with supporters at a ”personDonald Trump“Former President supporting primary challengers against incumbents who opposed h”personJim Buck“Incumbent Indiana state senator facing a primary challenge.”personSpencer Deery“Incumbent Indiana state senator for the 23rd district facing a primary challenge”