1972Final results
1972 election for Iowa House District 13
Iowa House of Representatives · Iowa
Delbert L. Trowbridge (R) won with 53.7% of the vote, defeating Rollin K. Howell (D) by 7.5 points.
Delbert L. TrowbridgeRepublican · winner · incumbent
53.7%6,250
Rollin K. HowellDemocrat
46.3%5,378
11,628 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 1972
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET