2018 United States House of Representatives elections in Idaho

The 2018 United States House of Representatives elections in Idaho were held on Tuesday, November 6, 2018, to elect the two U.S. representatives from the U.S. state of Idaho; one from each of the state's two congressional districts. Primaries were held on May 15, 2018. The elections and primaries coincided with the elections and primaries of other federal and state offices.

Overview
Results of the 2018 United States House of Representatives elections in Idaho by district:

District 1
The incumbent was Republican Raúl Labrador, who had represented the district since 2011 and was reelected with 68% of the vote in 2016. He retired to unsuccessfully run in the 2018 Republican gubernatorial primary.

Republican primary

 * Russ Fulcher, former state senator
 * Alex Gallegos, retired U.S. Army lieutenant colonel
 * Nick Henderson
 * David H. Leroy, former Lieutenant Governor of Idaho
 * Luke Malek, state representative
 * Christy Perry, state representative
 * Michael Snyder, author

Democratic primary

 * Cristina McNeil, real estate agent, chair of the Latino caucus of the Idaho Democratic Party
 * Michael Smith, former U.S. Marine
 * James Vandermaas, former U.S. Marine

District 2
The incumbent is Republican Mike Simpson, who has represented the district since 1999. He was reelected with 63% of the vote in 2016.

Republican primary

 * Mike Simpson, incumbent

Democratic primary

 * Peter Rickards
 * Aaron Swisher, businessman