1978Final results
1978 election for Iowa House District 70
Iowa House of Representatives · Iowa
Bill Dieleman (D) won with 60.7% of the vote, defeating Robert L. Hinshaw (R) by 21.4 points.
Bill DielemanDemocrat · winner · incumbent
60.7%5,459
Robert L. HinshawRepublican
39.3%3,533
8,994 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET