2024 Iowa Senate election

The 2024 Iowa Senate election was held on November 5, 2024, alongside the 2024 United States elections.^[1]

2024 Iowa Senate Election

← 2022 November 5, 2024 2026 →
25 of the 50 seats in the Iowa Senate 26 seats needed for a majority
Majority party Minority party   Leader Amy Sinclair Pam Jochum (retired) Party Republican Democratic Leader since January 9, 2023 June 7, 2023 Leader's seat 12th district 36th district Last election 22 seats, 54.05% 12 seats, 43.98% Seats before 34 16 Seats won 19 6 Seats after 35 15 Seat change 1 1 Popular vote 465,937 289,250 Percentage 59.58% 36.98%
Results:      Republican gain      Democratic gain      Republican hold      Democratic hold      No election
President of the Senate before election Amy Sinclair Republican Elected President of the Senate Amy Sinclair Republican

Background

Primaries were held on June 4, 2024.^[2]

Retirements

Democrats

1. District 36: Pam Jochum retired.^[3]
2. District 40: Todd Taylor retired to run for Linn County Auditor.^[4]

Republicans

1. District 26: Jeff Edler retired.^[5]

Resignation

One seat was left vacant on the day of the general election due to resignation in 2024.

Republicans

1. District 30: Waylon Brown resigned July 10.^[6]

Predictions

Source	Ranking	As of
CNalysis[7]	Solid R	March 26, 2024

Closest races

Seats where the margin of victory was under 5%:

1. State Senate district 14, 0.07%
2. State Senate district 20, 0.14% gain
3. State Senate district 36, 1.04%
4. State Senate district 38, 1.13% gain
5. State Senate district 22, 4.91% gain

Detailed results

District 2

2nd District Republican primary details
Republican Primary, 2nd District Party Candidate Votes % Republican Jeff Taylor (incumbent) 6,347 99.40 Write-in 38 0.60 Total votes 6,385 100.00

2024 Iowa Senate election, 2nd District

Party		Candidate	Votes	%
	Republican	Jeff Taylor (incumbent)	27,438	99.11
	Write-in		245	0.89
Total votes			27,683	100.0
	Republican hold

District 4

4th District Republican primary details
Republican Primary, 4th District Party Candidate Votes % Republican Tim Kraayenbrink (incumbent) 4,064 98.59 Write-in 58 1.41 Total votes 4,122 100.00

2024 Iowa Senate election, 4th District

Party		Candidate	Votes	%
	Republican	Tim Kraayenbrink (incumbent)	23,727	97.81
	Write-in		531	2.19
Total votes			24,258	100.0
	Republican hold

District 6

6th District Libertarian primary details
Libertarian Primary, 50th District Party Candidate Votes % Libertarian David M. Davis 23 95.83 Write-in 1 4.17 Total votes 24 100.00

6th District Republican primary details
Republican Primary, 6th District Party Candidate Votes % Republican Jason Schultz (incumbent) 3,696 97.37 Write-in 100 2.63 Total votes 3,796 100.00

2024 Iowa Senate election, 6th District

Party		Candidate	Votes	%
	Republican	Jason Schultz (incumbent)	23,108	80.98
	Libertarian	David M. Davis	5,337	18.70
	Write-in		90	0.32
Total votes			28,535	100.0
	Republican hold

District 8

8th District Democratic primary details
Democratic Primary, 8th District Party Candidate Votes % Democratic Ryan Lee Roenfeld 573 99.13 Write-in 5 0.87 Total votes 578 100.00

8th District Republican primary details
Republican Primary, 8th District Party Candidate Votes % Republican Mark Costello (incumbent) 3,838 97.37 Write-in 73 1.87 Total votes 3,911 100.00

2024 Iowa Senate election, 8th District

Party		Candidate	Votes	%
	Republican	Mark Costello (incumbent)	25,069	70.47
	Democratic	Ryan Lee Roenfeld	10,432	29.32
	Write-in		73	0.21
Total votes			35,574	100.0
	Republican hold

District 10

10th District Democratic primary details
Democratic Primary, 10th District Party Candidate Votes % Democratic Steve Gorman 483 99.38 Write-in 3 0.62 Total votes 486 100.00

10th District Republican primary details
Republican Primary, 10th District Party Candidate Votes % Republican Dan Dawson (incumbent) 1,039 98.86 Write-in 12 1.14 Total votes 1,051 100.00

2024 Iowa Senate election, 10th District

Party		Candidate	Votes	%
	Republican	Dan Dawson (incumbent)	13,840	56.01
	Democratic	Steve Gorman	10,842	43.88
	Write-in		27	0.11
Total votes			24,709	100.0
	Republican hold

District 12

12th District Democratic primary details
Democratic Primary, 12th District Party Candidate Votes % Democratic Nicole Loew 1,076 99.81 Write-in 2 0.19 Total votes 1,078 100.00

12th District Republican primary details
Republican Primary, 12th District Party Candidate Votes % Republican Amy Sinclair (incumbent) 5,044 98.46 Write-in 79 1.54 Total votes 5,123 100.00

2024 Iowa Senate election, 12th District

Party		Candidate	Votes	%
	Republican	Amy Sinclair (incumbent)	23,075	70.35
	Democratic	Nicole Loew	9,682	29.52
	Write-in		43	0.13
Total votes			32,800	100.0
	Republican hold

District 14

14th District Democratic primary details
Democratic Primary, 14th District Party Candidate Votes % Democratic Sarah Trone Garriott (incumbent) 1,485 99.66 Write-in 5 0.34 Total votes 1,490 100.00

14th District Republican primary details
Republican Primary, 14th District Party Candidate Votes % Republican Mark A. Hanson 1,485 98.54 Write-in 22 1.46 Total votes 1,507 100.00

2024 Iowa Senate election, 14th District

Party		Candidate	Votes	%
	Democratic	Sarah Trone Garriott (incumbent)	20,467	49.96
	Republican	Mark A. Hanson	20,438	49.89
	Write-in		59	0.14
Total votes			40,964	100.0
	Democratic hold

District 16

16th District Democratic primary details
Democratic Primary, 16th District Party Candidate Votes % Democratic Claire Celsi (incumbent) 2,466 80.54 Democratic Julie Lasche Brown 595 19.43 Write-in 1 0.03 Total votes 3,062 100.00

2024 Iowa Senate election, 16th District

Party		Candidate	Votes	%
	Democratic	Claire Celsi (incumbent)	21,557	69.46
	Libertarian	Joshua Smith	9,184	29.59
	Write-in		296	0.95
Total votes			31,037	100.0
	Democratic hold

District 18

18th District Democratic primary details
Democratic Primary, 18th District Party Candidate Votes % Democratic Janet Petersen (incumbent) 4,087 99.44 Write-in 23 0.56 Total votes 4,110 100.00

2024 Iowa Senate election, 18th District

Party		Candidate	Votes	%
	Democratic	Janet Petersen (incumbent)	25,564	97.09
	Write-in		766	2.91
Total votes			26,330	100.0
	Democratic hold

District 20

20th District Democratic primary details
Democratic Primary, 20th District Party Candidate Votes % Democratic Nate Boulton (incumbent) 1,348 99.70 Write-in 4 0.30 Total votes 1,352 100.00

20th District Republican primary details
Republican Primary, 20th District Party Candidate Votes % Republican Mike Pike 673 98.12 Write-in 13 1.88 Total votes 690 100.00

2024 Iowa Senate election, 20th District

Party		Candidate	Votes	%
	Republican	Mike Pike	15,644	49.96
	Democratic	Nate Boulton (incumbent)	15,600	49.82
	Write-in		66	0.21
Total votes			31,310	100.0
	Republican gain from Democratic

District 22

22nd District Democratic primary details
Democratic Primary, 22nd District Party Candidate Votes % Democratic Matt Blake 2,689 99.70 Write-in 8 0.30 Total votes 2,697 100.00

22nd District Republican primary details
Republican Primary, 22nd District Party Candidate Votes % Republican Brad Zaun 1,229 98.32 Write-in 21 1.68 Total votes 1,250 100.00

2024 Iowa Senate election, 22nd District

Party		Candidate	Votes	%
	Democratic	Matt Blake	19,128	52.37
	Republican	Brad Zaun (incumbent)	17,336	47.46
	Write-in		64	0.18
Total votes			36,528	100.0
	Democratic gain from Republican

District 24

24th District Democratic primary details
Democratic Primary, 24th District Party Candidate Votes % Democratic Margaret Liston 885 99.77 Write-in 2 0.23 Total votes 887 100.00

24th District Republican primary details
Republican Primary, 24th District Party Candidate Votes % Republican Jesse Green (incumbent) 1,709 98.84 Write-in 20 1.16 Total votes 1,729 100.00

2024 Iowa Senate election, 24th District

Party		Candidate	Votes	%
	Republican	Jesse Green (incumbent)	21,004	62.45
	Democratic	Margaret Liston	12,580	37.40
	Write-in		50	0.15
Total votes			33,634	100.0
	Republican hold

District 26

26th District Democratic primary details
Democratic Primary, 26th District Party Candidate Votes % Democratic Mike Wolfe 631 99.68 Write-in 2 0.32 Total votes 633 100.00

26th District Republican primary details
Republican Primary, 26th District Party Candidate Votes % Republican Kara Warme 1,611 53.63 Republican Gannon Hendrick 1,390 46.27 Write-in 3 0.10 Total votes 3,004 100.00

2024 Iowa Senate election, 26th District

Party		Candidate	Votes	%
	Republican	Kara Warme	17,967	59.62
	Democratic	Mike Wolfe	12,121	40.22
	Write-in		48	0.16
Total votes			30,136	100.0
	Republican hold

District 28

28th District Democratic primary details
Democratic Primary, 28th District Party Candidate Votes % Democratic Cynthia Oppedal Paschen 470 98.74 Write-in 6 1.26 Total votes 476 100.00

28th District Republican primary details
Republican Primary, 28th District Party Candidate Votes % Republican Dennis Guth 3,475 98.89 Write-in 39 1.11 Total votes 3,514 100.00

2024 Iowa Senate election, 28th District

Party		Candidate	Votes	%
	Republican	Dennis Guth (Incumbent)	21,185	69.36
	Democratic	Cynthia Oppedal Paschen	9,302	30.45
	Write-in		58	0.19
Total votes			30,545	100.0
	Republican hold

District 30

30th District Democratic primary details
Democratic Primary, 30th District Party Candidate Votes % Democratic Richard Lorence 937 98.22 Write-in 17 1.78 Total votes 954 100.00

30th District Republican primary details
Republican Primary, 30th District Party Candidate Votes % Republican Waylon Brown (incumbent) 2,547 52.78 Republican Doug Campbell 2,273 47.10 Write-in 6 0.12 Total votes 4,826 100.00

2024 Iowa Senate election, 30th District

Party		Candidate	Votes	%
	Republican	Doug Campbell	20,272	61.26
	Democratic	Richard Lorence	12,762	38.57
	Write-in		58	0.18
Total votes			33,092	100.0
	Republican hold

District 32

34th District Democratic primary details
No candidate filed for election. Brian Bruening was chosen as the nominee as a write-in candidate.

32nd District Republican primary details
Republican Primary, 32nd District Party Candidate Votes % Republican Mike Klimesh (incumbent) 3,664 99.03 Write-in 26 0.97 Total votes 2,690 100.00

2024 Iowa Senate election, 32nd District

Party		Candidate	Votes	%
	Republican	Mike Klimesh (Incumbent)	22,097	64.60
	Democratic	Brian Bruening	12,080	35.32
	Write-in		27	0.08
Total votes			34,204	100.0
	Republican hold

District 34

34th District Democratic primary details
No candidate filed for election. Joe Hegland was chosen as the nominee as a write-in candidate.

34th District Republican primary details
Republican Primary, 34th District Party Candidate Votes % Republican Dan Zumbach (incumbent) 1,656 98.87 Write-in 19 1.13 Total votes 1,675 100.00

2024 Iowa Senate election, 34th District

Party		Candidate	Votes	%
	Republican	Dan Zumbach (Incumbent)	21,962	66.68
	Democratic	Joe Hegland	10,937	33.21
	Write-in		36	0.11
Total votes			32,935	100.0
	Republican hold

District 36

36th District Democratic primary details
Democratic Primary, 36th District Party Candidate Votes % Democratic Thomas Townsend 1,164 99.57 Write-in 5 0.43 Total votes 1,169 100.00

36th District Republican primary details
Republican Primary, 36th District Party Candidate Votes % Republican Nicholas Molo 1,232 98.80 Write-in 15 1.20 Total votes 1,247 100.00

2024 Iowa Senate election, 36th District

Party		Candidate	Votes	%
	Democratic	Thomas Townsend	15,274	50.45
	Republican	Nicholas Molo	14,958	49.41
	Write-in		43	0.14
Total votes			30,275	100.0
	Democratic hold

District 38

38th District Democratic primary details
Democratic Primary, 38th District Party Candidate Votes % Democratic Eric Giddens (incumbent) 1,388 99.78 Write-in 3 0.22 Total votes 1,391 100.00

38th District Republican primary details
Republican Primary, 38th District Party Candidate Votes % Republican Dave Sires 1,365 58.94 Republican Steve Schmitt 622 26.86 Republican James McCullagh 322 13.90 Write-in 7 0.30 Total votes 2,316 100.00

2024 Iowa Senate election, 38th District

Party		Candidate	Votes	%
	Republican	Dave Sires	17,232	50.51
	Democratic	Eric Giddens (Incumbent)	16,846	49.38
	Write-in		38	0.11
Total votes			34,116	100.0
	Republican gain from Democratic

District 40

40th District Democratic primary details
Democratic Primary, 40th District Party Candidate Votes % Democratic Art Staed (incumbent) 766 99.09 Write-in 7 0.91 Total votes 773 100.00

40th District Republican primary details
Republican Primary, 40th District Party Candidate Votes % Republican Kris G Gulick 648 98.33 Write-in 11 1.67 Total votes 659 100.00

2024 Iowa Senate election, 40th District

Party		Candidate	Votes	%
	Democratic	Art Staed	18,157	55.10
	Republican	Kris G Gulick	14,763	44.80
	Write-in		30	0.09
Total votes			32,950	100.0
	Democratic hold

District 42

42nd District Republican primary details
Republican Primary, 42nd District Party Candidate Votes % Republican Charlie McClintock (incumbent) 2,211 98.84 Write-in 26 1.16 Total votes 2,237 100.00

2024 Iowa Senate election, 42nd District

Party		Candidate	Votes	%
	Republican	Charlie McClintock (Incumbent)	27,726	97.22
	Write-in		792	2.78
Total votes			28,518	100.0
	Republican hold

District 44

44th District Republican primary details
Republican Primary, 44th District Party Candidate Votes % Republican Adrian Dickey (incumbent) 3,503 98.32 Write-in 60 1.68 Total votes 3,563 100.00

2024 Iowa Senate election, 44th District

Party		Candidate	Votes	%
	Republican	Adrian Dickey (Incumbent)	19,207	68.32
	Independent	Lisa Ossian	8,826	31.39
	Write-in		81	0.29
Total votes			28,114	100.0
	Republican hold

District 46

46th District Democratic primary details
Democratic Primary, 46th District Party Candidate Votes % Democratic Ed Chabal 1,062 99.16 Write-in 9 0.84 Total votes 1,071 100.00

46th District Republican primary details
Republican Primary, 46th District Party Candidate Votes % Republican Dawn Driscoll (incumbent) 2,480 99.04 Write-in 24 0.96 Total votes 2,504 100.00

2024 Iowa Senate election, 46th District

Party		Candidate	Votes	%
	Republican	Dawn Driscoll (Incumbent)	21,399	60.67
	Democratic	Ed Chabal	13,769	39.22
	Write-in		38	0.11
Total votes			35,106	100.0
	Republican hold

District 48

48th District Democratic primary details
Democratic Primary, 48th District Party Candidate Votes % Democratic John Dabeet 473 100.00 Total votes 473 100.00

48th District Republican primary details
Republican Primary, 48th District Party Candidate Votes % Republican Mark Lofgren (incumbent) 2,062 98.99 Write-in 21 1.01 Total votes 2,083 100.00

2024 Iowa Senate election, 48th District

Party		Candidate	Votes	%
	Republican	Mark Lofgren (Incumbent)	19,755	65.67
	Democratic	John Dabeet	10,281	34.18
	Write-in		45	0.15
Total votes			30,081	100.0
	Republican hold

District 50

50th District Democratic primary details
Democratic Primary, 50th District Party Candidate Votes % Democratic Nannette Griffin 552 99.28 Write-in 4 0.72 Total votes 556 100.00

50th District Republican primary details
Republican Primary, 50th District Party Candidate Votes % Republican Jeff Reichman (incumbent) 1,665 98.64 Write-in 23 1.36 Total votes 1,688 100.00

2024 Iowa Senate election, 50th District

Party		Candidate	Votes	%
	Republican	Jeff Reichman (Incumbent)	16,735	58.40
	Democratic	Nannette Griffin	11,869	41.42
	Write-in		50	0.17
Total votes			28,654	100.0
	Republican hold