Elections in Iowa |
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The 2018 Iowa State Senate elections took place as part of the biennial 2018 United States elections. Iowa voters elected state senators in half of the state senate's districts—the 25 odd-numbered state senate districts. State senators serve four-year terms in the Iowa State Senate, with half of the seats up for election each cycle.
The primary election on June 5, 2018, determined which candidates appeared on the November 6, 2018 general election ballot. Primary election results can be obtained here.[2]
Following the previous 2016 Iowa Senate election, Republicans flipped control of the Iowa state Senate, taking control away from the Democrats.
To reclaim control of the chamber from Republicans, the Democrats needed to net 6 Senate seats.
Republicans expanded their control of the Iowa State Senate following the 2018 general election, increasing their majority from 29 to 32 seats. Democrats saw their numbers dwindle from 20 to 18 seats. The lone Independent member of the IA state Senate was replaced by a Republican as well.
Summary of Results
- NOTE: Only odd-numbered Iowa Senate seats were up for election in 2018, so even-numbered seats are not included here.
Source:[3][4]
Closest races
Seats where the margin of victory was under 10%:
- State Senate district 27, 2%
- State Senate district 7, 2.6% gain
- State Senate district 19, 2.8%
- State Senate district 41, 3.6%
- State Senate district 47, 5.6%
- State Senate district 29, 7.2% gain
- State Senate district 39, 9%
- State Senate district 49, 9.8% gain
Detailed results
- Reminder: Only odd-numbered Iowa Senate seats were up for election in 2018, so even-numbered seats are not included here.
- Note: If a district does not list a primary, then that district did not have a competitive primary (i.e., there may have only been one candidate file for that district).
District 1
Iowa Senate, District 1 Republican Primary, 2018 Party | Candidate | Votes | % |
| Republican | Zach Whiting | 3,539 | 62.4 |
| Republican | Brad D. Price | 1,288 | 22.7 |
| Republican | Jesse Wolfe | 844 | 14.9 |
Total votes | 5,671 | 100.0 |
Iowa Senate, District 1 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Zach Whiting | 21,245 | 100.0 |
Total votes | 21,245 | 100.0 |
| Republican gain from Independent |
District 3
Iowa Senate, District 3 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Jim Carlin (incumbent) | 16,366 | 64.8 |
| Democratic | Dave Dawson | 8,884 | 35.2 |
Total votes | 25,250 | 100.0 |
| Republican hold |
District 5
Iowa Senate, District 5 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Tim Kraayenbrink (incumbent) | 14,571 | 62.0 |
| Democratic | John J. O'Brien | 8,935 | 38.0 |
Total votes | 23,506 | 100.0 |
| Republican hold |
District 7
Iowa Senate, District 7 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Jackie Smith | 9,125 | 51.3 |
| Republican | Rick Bertrand (incumbent) | 8,676 | 48.7 |
Total votes | 17,801 | 100.0 |
| Democratic gain from Republican |
District 9
Iowa Senate, District 9 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Jason Schultz (incumbent) | 18,533 | 100.0 |
Total votes | 18,533 | 100.0 |
| Republican hold |
District 11
Iowa Senate, District 11 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Tom Shipley (incumbent) | 18,007 | 67.2 |
| Democratic | Sara Ramsey | 8,770 | 32.8 |
Total votes | 26,777 | 100.0 |
| Republican hold |
District 13
Iowa Senate, District 13 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Julian Garrett (incumbent) | 17,199 | 55.9 |
| Democratic | Vicky Brenner | 13,558 | 44.1 |
Total votes | 30,757 | 100.0 |
| Republican hold |
District 15
Iowa Senate, District 15 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Zach Nunn | 16,988 | 57.0 |
| Democratic | Dan Nieland | 12,830 | 43.0 |
Total votes | 29,818 | 100.0 |
| Republican gain from Democratic |
District 17
District 19
Iowa Senate, District 19 Republican Primary, 2018 Party | Candidate | Votes | % |
| Republican | Jack Whitver (incumbent) | 1,369 | 80.8 |
| Republican | Brett H. Nelson | 326 | 19.2 |
Total votes | 1,695 | 100.0 |
Iowa Senate, District 19 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Jack Whitver (incumbent) | 18,598 | 51.4 |
| Democratic | Amber Gustafson | 17,608 | 48.6 |
Total votes | 36,206 | 100.0 |
| Republican hold |
District 21
Iowa Senate, District 21 Democratic Primary, 2018 Party | Candidate | Votes | % |
| Democratic | Claire Celsi | 5,287 | 58.1 |
| Democratic | Connie Ryan | 3,818 | 41.9 |
Total votes | 9,105 | 100.0 |
Iowa Senate, District 21 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Claire Celsi | 20,499 | 66.1 |
| Republican | Brian B. Bales | 10,511 | 33.9 |
Total votes | 31,010 | 100.0 |
| Democratic hold |
District 23
Iowa Senate, District 23 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Herman C. Quirmbach (incumbent) | 19,020 | 75.2 |
| Libertarian | Eric Cooper | 6,273 | 24.8 |
Total votes | 25,293 | 100.0 |
| Democratic hold |
District 25
Iowa Senate, District 25 Republican Primary, 2018 Party | Candidate | Votes | % |
| Republican | Annette Sweeney (incumbent) | 2,731 | 82.8 |
| Republican | Chad J. Buss | 566 | 17.2 |
Total votes | 3,297 | 100.0 |
Iowa Senate, District 25 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Annette Sweeney (incumbent) | 16,621 | 61.6 |
| Democratic | Tracy Freese | 10,345 | 38.4 |
Total votes | 26,966 | 100.0 |
| Republican hold |
District 27
Iowa Senate, District 27 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Amanda Ragan (incumbent) | 12,823 | 51.0 |
| Republican | Shannon Latham | 12,322 | 49.0 |
Total votes | 25,145 | 100.0 |
| Democratic hold |
District 29
Iowa Senate, District 29 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Carrie Koelker | 15,493 | 53.6 |
| Democratic | Tod R. Bowman (incumbent) | 13,437 | 46.4 |
Total votes | 28,930 | 100.0 |
| Republican gain from Democratic |
District 31
District 33
Iowa Senate, District 33 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Robert M. Hogg (incumbent) | 17,912 | 65.6 |
| Republican | Edward Bernie Hayes | 9,407 | 34.4 |
Total votes | 27,319 | 100.0 |
| Democratic hold |
District 35
Iowa Senate, District 35 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Todd Taylor | 19,875 | 100.0 |
Total votes | 19,875 | 100.0 |
| Democratic hold |
District 37
Iowa Senate, District 37 Democratic Primary, 2018 Party | Candidate | Votes | % |
| Democratic | Zach Wahls | 3,902 | 59.6 |
| Democratic | Janice Weiner | 2,281 | 34.9 |
| Democratic | Eric Dirth | 189 | 2.9 |
| Democratic | Imad Youssif | 169 | 2.6 |
Total votes | 6,541 | 100.0 |
Iowa Senate, District 37 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Zach Wahls | 20,321 | 78.5 |
| Libertarian | Carl A. Krambeck | 5,566 | 21.5 |
Total votes | 25,887 | 100.0 |
| Democratic hold |
District 39
Iowa Senate, District 39 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Kevin Kinney (incumbent) | 15,758 | 54.5 |
| Republican | Heather Hora | 13,130 | 45.5 |
Total votes | 28,888 | 100.0 |
| Democratic hold |
District 41
Iowa Senate, District 41 Republican Primary, 2018 Party | Candidate | Votes | % |
| Republican | Mariannette Miller-Meeks | 1,706 | 85.9 |
| Republican | Daniel Cesar | 279 | 14.1 |
Total votes | 1,985 | 100.0 |
Iowa Senate, District 41 Democratic Primary, 2018 Party | Candidate | Votes | % |
| Democratic | Mary S. Stewart | 2,916 | 58.4 |
| Democratic | Ed Malloy | 2,076 | 41.6 |
Total votes | 4,992 | 100.0 |
Iowa Senate, District 41 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Mariannette Miller-Meeks | 11,460 | 51.8 |
| Democratic | Mary S. Stewart | 10,652 | 48.2 |
Total votes | 22,112 | 100.0 |
| Republican hold |
District 43
Iowa Senate, District 43 General Election, 2018 Party | Candidate | Votes | % |
| Democratic | Joe Bolkcom (incumbent) | 23,790 | 79.6 |
| Republican | Patrick Joseph Wronkiewicz | 6,107 | 20.4 |
Total votes | 29,897 | 100.0 |
| Democratic hold |
District 45
District 47
Iowa Senate, District 47 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Roby Smith (incumbent) | 16,125 | 52.8 |
| Democratic | Marie Gleason | 14,418 | 47.2 |
Total votes | 30,543 | 100.0 |
| Republican hold |
District 49
Iowa Senate, District 49 General Election, 2018 Party | Candidate | Votes | % |
| Republican | Chris Cournoyer | 13,305 | 54.9 |
| Democratic | Patti Robinson | 10,916 | 45.1 |
Total votes | 24,221 | 100.0 |
| Republican gain from Democratic |
Source:[5][6]
See also
References