Missouri 32026 HOUSE POLLS

2026 Missouri 3rd District House Forecast:

The Pollsmax 2026 Missouri 3rd District House forecast currently gives Republican Bob Onder a 99.9% chance of defeating Democrat Bethany Mann. Pollsmax projects Onder to receive 66.9% of the vote compared with 33.1% for Mann, a projected Republican margin of 33.8 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 Missouri 3rd District House election features Democrat Bethany Mann and Republican Bob Onder. Incumbent Representative Bob Onder is seeking reelection to a second term. In 2024, Donald Trump won Missouri's 3rd congressional district by 19.5%, and the election for the district's House seat is rated as solid Republican in 2026.