2006 general · November 7, 2006
2006 Iowa State Senate election results, district by district
Every Iowa State Senate district in the 2006 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 50 seats
After the electionD 30 · R 20
Races25
Changed party5
Unopposed28%7 races
Incumbents defeated1
Every district
D 19 · R 6
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Steven H. Warnstadt (D) | 33.9 | |
| SD-3 | David J. Johnson (R) | 18.2 | |
| SD-5 | Rich Olive (D) | 0.3 | Flipped |
| SD-7 | Amanda Ragan (D) | 44.3 | |
| SD-9 | Bill Heckroth (D) | 6.0 | Flipped |
| SD-11 | Bill Dotzler (D) | 40.1 | |
| SD-13 | Roger Tabor Stewart (D) | 31.3 | |
| SD-15 | Robert E. Dvorsky (D) | Unopposed | |
| SD-17 | Wally E. Horn (D) | Unopposed | |
| SD-19 | Robert M. Hogg (D) | 18.4 | Flipped |
| SD-21 | Dennis H. Black (D) | 12.7 | |
| SD-23 | Herman Quirmbach (D) | 14.9 | |
| SD-25 | Daryl Beall (D) | 34.1 | |
| SD-27 | Ron Wieck (R) | Unopposed | |
| SD-29 | Nancy Boettger (R) | Unopposed | |
| SD-31 | Matt McCoy (D) | 31.3 | |
| SD-33 | Jack Hatch (D) | Unopposed | |
| SD-35 | Larry Noble (R) | 4.0 | |
| SD-37 | Staci Appel (D) | 3.1 | Flipped |
| SD-39 | Joe Bolkcom (D) | 56.7 | |
| SD-41 | David Hartsuch (R) | 1.9 | |
| SD-43 | Joe M. Seng (D) | Unopposed | |
| SD-45 | Becky Schmitz (D) | 0.9 | FlippedIncumbent lost |
| SD-47 | Keith Kreiman (D) | 30.2 | |
| SD-49 | Hubert Houser (R) | Unopposed |
Iowa State Senate
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner