2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for Iowa Senate District 5
Iowa State Senate · Iowa
Robert Bacon (R) won with 54.0% of the vote, defeating Rich Olive (D) by 8.1 points, a seat Democrats won last time.
Robert BaconRepublican · winner
54.0%12,368
Rich OliveDemocrat · incumbent
45.9%10,510
22,897 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET