1970Final results
1970 election for Iowa House District 9
Iowa House of Representatives · Iowa
Delbert L. Trowbridge (R) won with 57.9% of the vote, defeating Eleanor Biederman (D) by 15.8 points.
Delbert L. TrowbridgeRepublican · winner
57.9%4,098
Eleanor BiedermanDemocrat
42.1%2,980
7,078 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