1970Final results
1970 election for Iowa House District 30
Iowa House of Representatives · Iowa
D. Vince Mayberry (D) won with 52.2% of the vote, defeating Ken Cooper (R) by 4.4 points.
D. Vince MayberryDemocrat · winner · incumbent
52.2%4,063
Ken CooperRepublican
47.8%3,720
7,783 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET