2018 Iowa State Auditor election

The 2018 Iowa State Auditor election was held on November 6, 2018, to elect the Iowa Auditor of State, concurrently with elections to the United States House of Representatives, governor, and other state and local elections. Primary elections were held on June 5, 2018.^[1]

2018 Iowa State Auditor election

← 2014 November 6, 2018 (2018-11-06) 2022 →

Candidate Rob Sand Mary Mosiman Party Democratic Republican Popular vote 660,169 601,320 Percentage 50.96% 46.42%

County results Congressional district results Sand:      40-50%      50–60%      60–70%      70–80% Mosiman:      40–50%      50–60%      60–70%      70–80%      80–90%

Auditor of State before election Mary Mosiman Republican Elected Auditor of State Rob Sand Democratic

Incumbent Republican auditor Mary Mosiman ran for election to a second full term in office, but was defeated by Democratic attorney and former assistant attorney general Rob Sand.^[2] Sand outraised Mosiman throughout the campaign with what was generally considered record fundraising.^[3][4][5][6] Sand was the only Democrat that was not an incumbent that won statewide office in 2018.^[7] Sand became the first Democrat to win a state auditor's race in Iowa since 1964, when Lorne R. Worthington won a single term.^[8]

Republican primary

Candidates

Nominee

• Mary Mosiman, incumbent state auditor (2013-present) and former auditor of Story County (2001-2010)^[9]

Results

Republican primary results^[10]

Party		Candidate	Votes	%
	Republican	Mary Mosiman (incumbent)	85,207	81.01%
	Write-in		278	0.27%
Rejected ballots			19,698	18.72%
Total votes			105,183	100.0%

Democratic primary

Candidates

Nominee

• Rob Sand, attorney and former Assistant Attorney General of Iowa (2010-2017)^[11][12]

Results

Democratic primary results^[10]

Party		Candidate	Votes	%
	Democratic	Rob Sand	147,840	80.90%
	Write-in		550	0.30%
Rejected ballots			34,346	18.80%
Total votes			182,736	100.0%

General election

Results

2018 Iowa State Auditor election^[13]

Party		Candidate	Votes	%
	Democratic	Rob Sand	660,169	50.96%
	Republican	Mary Mosiman (incumbent)	601,320	46.42%
	Libertarian	Fred Perryman	33,421	2.58%
	Write-in		458	0.04%
Total votes			1,295,368	100.00%
	Democratic gain from Republican

By congressional district

Sand won three of four congressional districts.^[14]

District	Mosiman	Sand	Representative
1st	42%	55%	Rod Blum (115th Congress)
			Abby Finkenauer (116th Congress)
2nd	44%	54%	Dave Loebsack
3rd	45%	52%	David Young (115th Congress)
			Cindy Axne (116th Congress)
4th	55%	42%	Steve King

See also

• 2018 Iowa elections
• Iowa Auditor of State