Indiana 82026 HOUSE POLLS

2026 Indiana 8th District House Forecast:

The Pollsmax 2026 Indiana 8th District House forecast currently gives Republican Mark Messmer a 99.9% chance of defeating Democrat Mary Allen. Pollsmax projects Messmer to receive 74.1% of the vote compared with 25.9% for Allen, a projected Republican margin of 48.2 percentage points. The model currently rates the race as Solid Republican. The forecast is updated using 100,000 simulations incorporating polling and race fundamentals. See the Pollsmax forecast methodology.

The 2026 Indiana 8th District House election features Democrat Mary Allen and Republican Mark Messmer. Incumbent Representative Mark Messmer is seeking reelection to a second term. In 2024, Donald Trump won Indiana's 8th congressional district by 16.5%, and the election for the district's House seat is rated as solid Republican in 2026.