1990Final results
1990 election for Iowa House District 15
Iowa House of Representatives · Iowa
Dolores M. Mertz (D) won with 57.4% of the vote, defeating Robert E. Johnson (R) by 14.9 points.
Dolores M. MertzDemocrat · winner · incumbent
57.4%5,675
Robert E. JohnsonRepublican
42.6%4,206
9,881 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET