United States House elections in Iowa (June 5, 2018 Republican primaries)

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	; ; 2018 U.S. House Elections in Iowa
	Primary Date ; June 5, 2018 GOP primaries • Democratic primaries
	Partisan breakdown • Candidates
	Iowa's District Pages District 1 • District 2 • District 3 • District 4
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	2018 U.S. Senate Elections

The 2018 U.S. House of Representatives elections in Iowa took place on November 6, 2018. Voters elected 4 candidates to serve in the U.S. House, one from each of the state's 4 congressional districts. This page focuses on the Republican Party primary election that took place in each district on June 5, 2018.