2026 general · November 3, 2026

2026 Iowa U.S. House election results, district by district

Iowa's U.S. House races in the 2026 general election: winners, margins, unopposed seats and seats that changed party.

← 2024 general

Races4
Changed party3
Unopposed0%0 races
Incumbents defeated2

Every district

D 3 · R 1

RaceWinnerWon byNotes
IA-1Christina Bohannan (D)9.2FlippedIncumbent lost
IA-2Lindsay James (D)4.0Flipped
IA-3Sarah Garriott (D)7.3FlippedIncumbent lost
IA-4Chris McGowan (R)18.1

Iowa

Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)