In 2016 Waltz announced he would not seek reelection in order to run for Indiana's 9th congressional district being vacated by Congressman Todd Young.
After high school, he attended Wabash College where he completed his degree as a history major with a minor in political science in 31⁄2 years.
[8] In a political upset, Waltz unseated 36-year incumbent and Senate Finance Committee chairman Larry Borst in the 2004 Republican primary by just 34 votes—6,062 to 6,024.
[11] Waltz announced he would not seek re-election for his Senate seat in 2016 in order to pursue Indiana's 9th congressional district being vacated by congressman Todd Young.
[14][15] On August 17, 2022, District Judge James R. Sweeney II sentenced Waltz to ten months in prison in addition to being supervised by the U.S.