Indiana's 8th Congressional District is represented by Mark Messmer (Republican), who has held the seat since 2025. Messmer has an overall VoteSee report card grade of F, voted in 98% of roll-call votes on bills this Congress, and votes with the Republican majority 99% of the time. The district includes Evansville, Terre Haute, and Vincennes. It takes in all or part of 21 counties; the most populous parts are in Vanderburgh County and Vigo County. About 756,000 people live in the district, and the median household income is $65,139.
Current Representative
Mark Messmer (Republican) has represented Indiana's 8th Congressional District since 2025.
VoteSee report card grade: F
Attendance in the 119th Congress: 98% of roll-call votes on bills
Incumbent Mark Messmer is running for re-election. 2 candidates were on the Nov 3, 2026 ballot.
Mark Messmer (Republican), incumbent: raised $1.4M, $551K cash on hand; VoteSee report card F; 98% attendance; votes with the Republican majority 99% of the time
Mary Allen (Democratic): raised $493K, $108K cash on hand
Members of Congress who previously represented Indiana's 8th Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.