1990 Iowa gubernatorial election
The 1990 Iowa gubernatorial election took place November 8, 1990. Incumbent Republican Governor of Iowa Terry Branstad ran for re-election to a third term as governor. On the Democratic side, state representative Donald Avenson won his party's nomination and both Branstad and Avenson moved on to the general election. Branstad won re-election to a third term as governor, defeating Avenson by a margin of over 20 points.
Democratic primary
Candidates
- Donald Avenson, former Iowa State Representative
- Tom Miller, former and subsequent Iowa Attorney General
- Jo Ann Zimmerman, Iowa Lieutenant Governor
- John Crystal
- Darold Powers
Republican primary
Candidates
- Terry Branstad, incumbent Governor of Iowa