There were six special elections to the United States House of Representatives in 2017 during the 115th United States Congress.

All of the elections were won by the party previously holding the seat. Therefore, there were no net changes in party.

Although Democrats did not gain any seats, their margins were narrower than the districts' Cook Partisan Voting Index.

Elections are sorted by date and district.

Summary District Incumbent This race Location Member Party First elected Results Candidates Mike Pompeo 2010 Incumbent resigned January 23, 2017 to become Director of the Central Intelligence Agency.New member elected April 11, 2017.Republican hold. Ryan Zinke 2014 Incumbent resigned March 1, 2017 to become U.S. Secretary of the Interior.New member elected May 25, 2017.Republican hold. Xavier Becerra 1992 Incumbent resigned January 24, 2017 to become Attorney General of California.New member elected June 6, 2017.Democratic hold. Tom Price 2004 Incumbent resigned February 10, 2017 to become U.S. Secretary of Health and Human Services.New member elected June 20, 2017.Republican hold. Mick Mulvaney 2010 Incumbent resigned February 16, 2017 to become Director of the Office of Management and Budget.New member elected June 20, 2017.Republican hold. Jason Chaffetz 2008 Incumbent resigned June 30, 2017 for health reasons.New member elected November 7, 2017.Republican hold.

Kansas's 4th congressional district

Montana's at-large congressional district

California's 34th congressional district

Georgia's 6th congressional district

South Carolina's 5th congressional district

Utah's 3rd congressional district

References