2006Final results
2006 election for Iowa Senate District 21
Iowa State Senate · Iowa
Dennis H. Black (D) won with 56.3% of the vote, defeating Tim Morgan (R) by 12.7 points.
Dennis H. BlackDemocrat · winner · incumbent
56.3%13,486
Tim MorganRepublican
43.7%10,456
23,942 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 2006
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET