Indiana primaries 2024: Spartz survives, big spenders prevail

538 tracked several establishment-versus-insurgent GOP primaries.

Last Updated: May 7, 2024, 5:01 PM EDT

Tuesday saw the resolution of several major Republican primaries in Indiana: Voters selected the men who will likely become the state’s next U.S. senator and governor, and three open U.S. House seats were the canvas for fierce primary battles between the establishment and populist wings of the GOP. A maverick Republican incumbent also successfully defended her seat after waffling over her decision to seek reelection.

538 reporters and contributors broke down the election results as they came in with live updates, analysis and commentary. Read our full live blog below.

Jacob Rubashkin Image
May 07, 2024, 8:12 PM EDT

ABC News is now reporting that Mark Messmer is projected to win the 8th District GOP primary

ABC News reports that state Sen. Mark Messmer is projected to win the crowded GOP primary in Indiana's 8th District, which is currently held by Rep. Larry Buschon. Messmer defeated former Rep. John Hostettler and several other candidates in a race that attracted significant outside spending.

—Jacob Rubashkin, Inside Elections

Nathaniel Rakich Image
May 07, 2024, 8:00 PM EDT

Shreve is leading in Marion County too

Indianapolis’s Marion County is reporting votes now in Indiana’s 6th, too. And according to the AP, Shreve is beating Speedy there 38 percent to 29 percent, likely cutting off any chance for the more conservative Speedy to prevail.

—Nathaniel Rakich, 538

Jacob Rubashkin Image
May 07, 2024, 7:59 PM EDT

Messmer projected winner in GOP 8th District primary by the AP

The Associated Press has projected that state Sen. Mark Messmer has won the GOP nomination in the 8th District. He will likely win the general election this fall. ABC News is not reporting a projection in the race yet, but Messmer has about 43 percent of the vote — 27 percent more than his closest challenger — with 40 percent of the expected vote reporting.

—Jacob Rubashkin, Inside Elections

Jacob Rubashkin Image
May 07, 2024, 7:57 PM EDT

Shreve still in the driver’s seat

We’re up to about half of the expected vote counted in Indiana‘s 6th District, and Jefferson Shreve is still holding steady in the lead with 29 percent. Jamison Carrier and Mike Speedy are running behind at 21 and 20 percent, respectively.

Jacob Rubashkin, Inside Elections