99chambers

2018 general · November 6, 2018

2018 Iowa election results

Every race on Iowa's ballot in the 2018 general election: winners, margins and seats that changed party.

← 2016 general2020 general →

Races133
Changed party15
Unopposed22%29 races
Incumbents defeated6

Governors

R 1

RaceWinnerWon byNotes
IowaKim Reynolds/adam Gregg (R)2.7

Statewide offices

D 1 · R 2

RaceWinnerWon byNotes
Iowa Attorney GeneralTom Miller (D)53.7
Iowa Lieutenant GovernorKim Reynolds/adam Gregg (R)2.7
Iowa Secretary of StatePaul Pate (R)7.8

U.S. House

D 3 · R 1 · 2 changed party

RaceWinnerWon byNotes
IA-1Abby Finkenauer (D)5.1Flipped
IA-2David Loebsack (D)12.2
IA-3Cynthia Axne (D)2.2Flipped
IA-4Steve King (R)3.3

Iowa State Senate

D 12 · R 13 · 4 changed party

RaceWinnerWon byNotes
SD-1Zach Whiting (R)Unopposed
SD-3Jim Carlin (R)29.6
SD-5Tim Kraayenbrink (R)24.0
SD-7Jackie Smith (D)2.5FlippedIncumbent lost
SD-9Jason Schultz (R)Unopposed
SD-11Tom Shipley (R)34.5
SD-13Julian B. Garrett (R)11.8
SD-15Zach Nunn (R)13.9Flipped
SD-17Tony Bisignano (D)Unopposed
SD-19Jack Whitver (R)2.7
SD-21Claire Celsi (D)32.2
SD-23Herman Quirmbach (D)50.1
SD-25Annette Sweeney (R)23.3
SD-27Amanda Ragan (D)2.0
SD-29Carrie Koelker (R)7.1FlippedIncumbent lost
SD-31Bill Dotzler (D)Unopposed
SD-33Robert M. Hogg (D)31.1
SD-35Todd Taylor (D)Unopposed
SD-37Zach Wahls (D)56.7
SD-39Kevin Kinney (D)9.1
SD-41Mariannette Miller-Meeks (R)3.6
SD-43Joe Bolkcom (D)59.1
SD-45Jim Lykam (D)Unopposed
SD-47Roby Smith (R)5.6
SD-49Chris Cournoyer (R)9.9Flipped

Iowa House of Representatives

D 46 · R 54 · 9 changed party

All 100 races →

Iowa

Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: MIT Election Data and Science Lab