1978 general · November 7, 1978
1978 Iowa U.S. House election results, district by district
Iowa's U.S. House races in the 1978 general election: winners, margins, unopposed seats and seats that changed party.
Races6
Changed party1
Unopposed0%0 races
Every district
D 3 · R 3
| Race | Winner | Won by | Notes |
|---|---|---|---|
| IA-1 | James Leach (R) | 27.7 | |
| IA-2 | Thomas Tauke (R) | 5.2 | Flipped |
| IA-3 | Chuck Grassley (R) | 49.6 | |
| IA-4 | Neal Smith (D) | 29.4 | |
| IA-5 | Tom Harkin (D) | 17.9 | |
| IA-6 | Berkley Bedell (D) | 32.6 |
Iowa
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: MIT Election Data and Science Lab