IN-01 · House · 2026
Democrats are heavily favored to win this seat
96% probability
Candidates
Last verified 2026-09-14.
Frank Mrvan
Democrat
Frank John Mrvan is an American politician who has served as the U.S. representative for Indiana's 1st congressional district since 2021.
Barb Regnitz
Republican
Held by a Democrat, seeking re-election.
Why we think this
- This district's baseline partisan lean favors Democrats by about 1 points of margin before anything else is considered.
- The seat is currently held by a Democrat, who is running for re-election -- incumbents usually run ahead of their party's baseline.
Model details -- coefficients, calibration, and the full technical decomposition.
Model house-2026-panel-v1 · computed 2026-09-16