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.
This election is first where candidates run on a joint ticket with their respective running mates.
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Text from the Wikipedia article “1990 Iowa gubernatorial election”, available under CC BY-SA 4.0.