2000Final results
2000 election for Iowa Senate District 38
Iowa State Senate · Iowa
O. Gene Maddox (R) won with 64.7% of the vote, defeating Michael J. Cataldo (D) by 29.5 points.
O. Gene MaddoxRepublican · winner · incumbent
64.7%23,762
Michael J. CataldoDemocrat
35.3%12,949
36,711 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 2000
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET