The 2018 United States House of Representatives elections were held on November 6, 2018, as part of the
2018 midterm elections
The 2018 United States elections were held on Tuesday, November 6, 2018. These midterm elections occurred during Republican Donald Trump's term. Democrats made a net gain of 41 seats in the United States House of Representatives, gaining a majo ...
during President
Donald Trump
Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021.
Trump graduated from the Wharton School of the University of Pe ...
's term, with early voting taking place in some states in the weeks preceding that date. Voters chose representatives from all 435
congressional districts
Congressional districts, also known as electoral districts and legislative districts, electorates, or wards in other nations, are divisions of a larger administrative region that represent the population of a region in the larger congressional bod ...
across each of the 50
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
s.
Non-voting delegates from the
District of Columbia
)
, image_skyline =
, image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
and four of the five inhabited
U.S. territories
Territories of the United States are sub-national administrative divisions overseen by the federal government of the United States. The various American territories differ from the U.S. states and tribal reservations as they are not sover ...
were also elected. On Election Day, Republicans had held a House majority since
January 2011.
In the 2018 elections, the
Democrats, led by
Nancy Pelosi
Nancy Patricia Pelosi (; ; born March 26, 1940) is an American politician who has served as Speaker of the United States House of Representatives since 2019 and previously from 2007 to 2011. She has represented in the United States House of ...
, won control of the House. The Democrats gained a net total of 41 seats from the total number of seats they had won in the
2016 elections. The 41-seat gain was the Democrats' largest gain of House seats since the post-
Watergate
The Watergate scandal was a major political scandal in the United States involving the administration of President Richard Nixon from 1972 to 1974 that led to Nixon's resignation. The scandal stemmed from the Nixon administration's continual ...
1974 elections, when they picked up 49 seats. This was the first time
since 1954 that Democrats flipped a chamber of Congress in a Republican president's first midterm.
Upon the opening of the
116th United States Congress, Pelosi was
elected Elected may refer to:
* "Elected" (song), by Alice Cooper, 1973
* ''Elected'' (EP), by Ayreon, 2008
*The Elected, an American indie rock band
See also
*Election
An election is a formal group decision-making process by which a population ...
as
Speaker of the House
The speaker of a deliberative assembly, especially a legislative body, is its presiding officer, or the chair. The title was first used in 1377 in England.
Usage
The title was first recorded in 1377 to describe the role of Thomas de Hungerf ...
. Incumbent Republican House Speaker
Paul Ryan
Paul Davis Ryan (born January 29, 1970) is an American former politician who served as the List of Speakers of the United States House of Representatives, 54th speaker of the United States House of Representatives from 2015 to 2019. A member o ...
chose not to run for another term. In November 2018, House Republicans elected
Kevin McCarthy
Kevin Owen McCarthy (born January 26, 1965) is an American politician, serving as House Minority Leader in the United States House of Representatives since 2019. A member of the Republican Party, he served as House Majority Leader under spea ...
as House Minority Leader.
Results summary and analysis
Federal
The
Democratic Party Democratic Party most often refers to:
*Democratic Party (United States)
Democratic Party and similar terms may also refer to:
Active parties Africa
*Botswana Democratic Party
*Democratic Party of Equatorial Guinea
*Gabonese Democratic Party
*Demo ...
won control of the House of Representatives in the 2018 midterm elections. The Democrats gained a net total of 41 seats from the total number of seats they had won in the
2016 elections. This was their largest gain of House seats in an election since the
1974 elections, when the Democrats gained 49 House seats. Democrats won the popular vote by more than 9.7 million votes, or 8.6%,
the largest midterm margin for any party and the largest margin on record for a minority party.
According to the
Associated Press
The Associated Press (AP) is an American non-profit news agency headquartered in New York City. Founded in 1846, it operates as a cooperative, unincorporated association. It produces news reports that are distributed to its members, U.S. newspa ...
' statistical analysis,
gerrymandering
In representative democracies, gerrymandering (, originally ) is the political manipulation of electoral district boundaries with the intent to create undue advantage for a party, group, or socioeconomic class within the constituency. The m ...
cost the Democrats an additional sixteen House seats from Republicans.
Voter turnout in this election was 50.3%,
the highest turnout in a U.S. midterm election since
1914
This year saw the beginning of what became known as World War I, after Archduke Franz Ferdinand of Austria, heir to the Austrian throne was Assassination of Archduke Franz Ferdinand, assassinated by Serbian nationalist Gavrilo Princip. It als ...
.
Note that the results summary does not include blank and over/under votes which were included in the official results or votes cast in the
voided election in
North Carolina's 9th congressional district
The 9th congressional district of North Carolina is a congressional district in south-central North Carolina. The district's current boundaries were redrawn in February 2016 after a U.S. District Court overturned the existing boundaries because ...
.
Per states
Retirements
![US House 2018 Retirement](https://upload.wikimedia.org/wikipedia/commons/3/3d/US_House_2018_Retirement.svg)
In the November general elections, fifty-four incumbents did not seek re-election, either to retire or to seek other positions.
Democrats
Eighteen Democrats did not seek re-election.
#:
Kyrsten Sinema
Kyrsten Lea Sinema (; born July 12, 1976) is an American politician and former social worker serving as the senior United States senator from Arizona since January 2019. A former member of the Democratic Party, Sinema became an independent in ...
retired to
run for U.S. Senator.
[
#: ]Jared Polis
Jared Schutz Polis (; born May 12, 1975) is an American politician, entrepreneur, businessman, and philanthropist, serving as the 43rd governor of Colorado since January 2019. He served one term on the Colorado State Board of Education from 20 ...
retired to run for Governor of Colorado.[
#: ]Elizabeth Esty
Elizabeth Esty (née Henderson; born August 25, 1959) is an American lawyer and politician who served as a U.S. Representative from from 2013 to 2019. A Democrat, she previously was a member of the Connecticut House of Representatives, repres ...
retired after involvement in sexual harassment allegations against an employee.[
#: ]Colleen Hanabusa
Colleen Wakako Hanabusa ( ja, 花房 若子; born May 4, 1951) is an American lawyer and politician who served as the U.S. representative for from 2011 to 2015 and again from 2016 to 2019. A member of the Democratic Party, she ran for her party ...
retired to run for Governor of Hawaii.[
#: ]Luis Gutiérrez
Luis Vicente Gutiérrez (born December 10, 1953) is an American politician. He served as the U.S. representative for from 1993 to 2019. From 1986 until his election to Congress, he served as a member of the Chicago City Council representing th ...
retired.[
#: John Delaney retired to run for U.S. President.][
#: ]Niki Tsongas
Nicola Dickson "Niki" Sauvage Tsongas (; born April 26, 1946) is an American politician who served as a U.S. Representative from Massachusetts from 2007 to 2019. She held the seat formerly held by her husband, the late Paul Tsongas, for the dis ...
retired.[
#: ]Sander Levin
Sander Martin Levin (born September 6, 1931) is an American politician who served in the United States House of Representatives from 1983 to 2019, representing (numbered as the from 1983 to 1993 and as the from 1993 to 2013). Levin, a member ...
retired.[
#: ]Tim Walz
Timothy James Walz ( ; born April 6, 1964) is an American politician and retired educator. A member of the Democratic–Farmer–Labor Party (DFL), he has served as the 41st governor of Minnesota since 2019.
Born in West Point, Nebraska, Wal ...
retired to run for Governor of Minnesota.[
#: Keith Ellison retired to run for Minnesota Attorney General.
#: ]Rick Nolan
Richard Michael Nolan (born December 17, 1943) is an American politician and businessman who served as the U.S. representative from Minnesota's 8th congressional district from 2013 to 2019. He previously served as the U.S. representative from ...
retired.
#: Jacky Rosen retired to run for U.S. Senator.[
#: Rubén Kihuen retired due to sexual harassment allegations.
#: Carol Shea-Porter retired.][
#: ]Michelle Lujan Grisham
Michelle Lynn Lujan Grisham (; born October 24, 1959) is an American lawyer and politician serving as the 32nd governor of New Mexico since 2019. A member of the Democratic Party, Lujan Grisham previously served as the U.S. representative for N ...
retired to run for Governor of New Mexico.[
#: ]Bob Brady
Robert A. Brady (born April 7, 1945) is an American politician who served as the U.S. representative for from 1998 to 2019. He was the ranking Democrat and Chairman of the United States House Committee on House Administration from 2007 to 2019. ...
retired after being redistricted from the 1st district.[
#: ]Beto O'Rourke
Robert Francis "Beto" O'Rourke ( , ; ; born September 26, 1972) is an American politician who served as the U.S. representative for from 2013 to 2019. A member of the Democratic Party, O'Rourke was the party's nominee for the U.S. Senat ...
retired to run for U.S. Senator.[
#: ]Gene Green
Raymond Eugene Green (born October 17, 1947) is an American politician who served as the U.S. representative for , serving for 13 terms. He is a member of the Democratic Party. His district included most of eastern Houston, including portion ...
retired.[
]
Republicans
Thirty-seven Republicans did not seek re-election.
#: Martha McSally
Martha Elizabeth McSally (born March 22, 1966) is an American politician and former military pilot who served as a United States senator for Arizona from 2019 to 2020. A member of the Republican Party, she served as the U.S. representative for ...
retired to run for U.S. Senator.
#: Ed Royce
Edward Randall Royce (born October 12, 1951) is an American politician who served as a member of the United States House of Representatives from California from 1993 to 2019. A member of the Republican Party, Royce served as Chairman of the United ...
retired.[
#: ]Darrell Issa
Darrell Edward Issa ( ; born November 1, 1953) is an American businessman and politician who has served as the U.S. representative for California's 50th congressional district since 2021. A member of the Republican Party, he previously served ...
retired, nominated by President Donald Trump
Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021.
Trump graduated from the Wharton School of the University of Pe ...
to be the Director of the United States Trade and Development Agency
The U.S. Trade and Development Agency (USTDA) is an independent agency of the United States government, formed in 1992 to advance economic development and U.S. commercial interests in developing and middle income countries.
Structure
The U.S. ...
.[
#: ]Ron DeSantis
Ronald Dion DeSantis (; born September 14, 1978) is an American politician serving as the 46th governor of Florida since January 2019. A member of the Republican Party, DeSantis represented Florida's 6th district in the U.S. House of Repres ...
retired to run for Governor of Florida.
#: Dennis Ross
Dennis B. Ross (born November 26, 1948) is an American diplomat and author. He has served as the Director of Policy Planning in the State Department under President George H. W. Bush, the special Middle East coordinator under President Bill Clint ...
retired.
#: Tom Rooney retired.
#: Ileana Ros-Lehtinen
Ileana Ros-Lehtinen (; born Ileana Carmen Ros y Adato, July 15, 1952) is a politician and lobbyist from Miami, Florida, who represented from 1989 to 2019. By the end of her tenure, she was the most senior U.S. Representative from Florida. She ...
retired.[
#: ]Raúl Labrador
Raúl Rafael Labrador (born December 8, 1967) is an American lawyer and politician who is the Attorney General-elect of Idaho. A member of the Republican Party, he chaired the Idaho Republican Party from 2019 to 2020 and served as the U.S. Repre ...
retired to run for Governor of Idaho.[
#: ]Todd Rokita
Theodore Edward Rokita (born February 9, 1970) is an American lawyer and politician serving as the 44th and current Attorney General of Indiana. He served as a member of the United States House of Representatives from from 2011 to 2019. A membe ...
retired to run for U.S. Senator.[
#: ]Luke Messer
Allen Lucas Messer (born February 27, 1969) is an American politician and lobbyist who represented Indiana's 6th congressional district in the United States House of Representatives from 2013 to 2019. He is a member of the Republican Party.
Born ...
retired to run for U.S. Senator.[
#: ]Lynn Jenkins
Lynn Haag Jenkins (born June 10, 1963) is an American politician and lobbyist who served as the U.S. representative for , in office from 2009 to 2019. She previously served as Kansas State Treasurer from 2003 to 2008, in the Kansas House of Repre ...
retired.[
#: Dave Trott retired.][
#: ]Gregg Harper
Gregory Livingston Harper (born June 1, 1956) is a former American politician who served as the U.S. representative for from 2009 to 2019. He is a member of the Republican Party. The district includes the wealthier portions of the state capital ...
retired.[
#: ]Frank LoBiondo
Frank Alo LoBiondo (: born May 12, 1946) is an American businessman and politician who served as the U.S. representative for from 1995 to 2019. He is a member of the Republican Party. He represented all of Atlantic, Cape May, Cumberland and ...
retired "due to the increased political polarization of Congress."
#: Rodney Frelinghuysen
Rodney Procter Frelinghuysen (born April 29, 1946) is an American former politician and lobbyist who served as the U.S. representative for from 1995 to 2019. The district includes most of Morris County, an affluent suburban county west of New ...
retired.[
#: Steve Pearce retired to run for Governor of New Mexico.][
#: ]Kevin Cramer
Kevin John Cramer (born January 21, 1961) is an American politician who has served as the junior United States senator for North Dakota since 2019. A member of the Republican Party, he represented North Dakota's at-large congressional district ...
retired to run for U.S. Senator.
#: Jim Renacci
James B. Renacci ( ; born December 3, 1958) is an American accountant, businessman, and politician who served as the U.S. representative for from 2011 to 2019. A member of the Republican Party, he is a former city council president and two-ter ...
retired to run for U.S. Senator.[
#: ]Jim Bridenstine
James Frederick Bridenstine (born June 15, 1975) is an American military officer and politician who served as the 13th administrator of the National Aeronautics and Space Administration (NASA). Bridenstine was the United States representative fo ...
announced his retirement November 10, 2017. He resigned April 23, 2018, after being confirmed as Administrator of NASA
The Administrator of the National Aeronautics and Space Administration is the highest-ranking official of NASA, the national space agency of the United States. The administrator is NASA's chief decision maker, responsible for providing clarity to ...
; his replacement was seated November 6, 2018.
#: Ryan Costello
Ryan Anthony Costello (born September 7, 1976) is an American politician, lobbyist and attorney who served as the U.S. representative for from 2015 to 2019. A member of the Republican Party, he was first elected to the U.S. House of Representa ...
retired due to "family, the political environment and redistricting."
#: Lou Barletta
Louis John Barletta (born January 28, 1956) is an American businessman and politician who served as the U.S. representative for from 2011 to 2019. A member of the Republican Party, he served as mayor of Hazleton, Pennsylvania, from 2000 to 2010. ...
, redistricted from the 11th district, retired to run for U.S. Senator.[
#: ]Bill Shuster
William Franklin Shuster (; born January 10, 1961) is an American politician and lobbyist who served as the U.S. representative for from 2001 to 2019. He is a member of the Republican Party, and is a son of former Congressman Bud Shuster.
In J ...
retired when redistricted from the 9th district.[
#: ]Trey Gowdy
Harold Watson "Trey" Gowdy III (born August 22, 1964) is an American television news personality, former politician, and former federal prosecutor who served as the U.S. representative for from 2011 to 2019. His district included much of the Up ...
retired to "return to the justice system."
#: Kristi Noem
Kristi Lynn Noem (; née Arnold; born November 30, 1971) is an American politician serving as the 33rd governor of South Dakota since 2019. A member of the Republican Party, she was the U.S. representative for from 2011 to 2019 and a member ...
retired to run for Governor of South Dakota.[
#: Jimmy Duncan retired.][
#: ]Diane Black
Diane Lynn Black (née Warren; January 16, 1951) is an American politician who served as a U.S. Representative for from January 3, 2011, to January 3, 2019. The district includes several suburban and rural areas east of Nashville. A Republican, ...
retired to run for Governor of Tennessee.[
#: ]Marsha Blackburn
Mary Marsha Blackburn (née Wedgeworth; born June 6, 1952) is an American politician and businesswoman serving as the senior United States senator from Tennessee, a seat she has held since 2019. She is a member of the Republican Party. Blackbur ...
retired to run for U.S. Senator.
#: Ted Poe
Lloyd Theodore Poe (born September 10, 1948) is an American politician who represented Texas's 2nd congressional district in the United States House of Representatives from 2005 to 2019. Poe was the first Republican to represent the 2nd district. ...
retired.[
#: ]Sam Johnson
Samuel Robert Johnson (October 11, 1930May 27, 2020) was an American politician who served as the U.S. representative for in Congress from 1991 to 2019. He was a member of the Republican Party. In October and November 2015, he was the acting ...
retired.[
#: Jeb Hensarling retired.][
#: ]Joe Barton
Joseph Linus Barton (born September 15, 1949) is an American politician who represented in the U.S. House of Representatives from 1985 to 2019. The district included Arlington, part of Fort Worth, and several small towns and rural areas south ...
retired.[
#: ]Lamar Smith
Lamar Seeligson Smith (born November 19, 1947) is an American politician and lobbyist who served in the United States House of Representatives for for 16 terms, a district including most of the wealthier sections of San Antonio and Austin, as ...
retired.[
#: ]Tom Garrett
Thomas William Garrett (26 July 1858 – 6 August 1943) was an early Australian Test cricketer and, later, a distinguished public servant.
Early life
Tom Garrett was the second son of a newspaper proprietor and politician who bore the same n ...
retired due to alcoholism.
#: Bob Goodlatte
Robert William Goodlatte (; born September 22, 1952) is an American politician, attorney, and lobbyist who served in the United States House of Representatives representing for 13 terms. A Republican, he was also the Chair of the House Judiciar ...
retired.[
#: ]Dave Reichert
David George Reichert (; born August 29, 1950) is an American politician, veteran, and former sheriff who served as the U.S. representative for Washington's 8th congressional district from 2005 to 2019. He is a Republican and is the former ele ...
retired.[
#: Evan Jenkins retired to run for U.S. Senator and then resigned to become State Supreme Court Justice.
#: ]Paul Ryan
Paul Davis Ryan (born January 29, 1970) is an American former politician who served as the List of Speakers of the United States House of Representatives, 54th speaker of the United States House of Representatives from 2015 to 2019. A member o ...
retired.[
]
Resignations and death
Four seats opened early due to resignations or death and were not filled until the November elections.
Democrats
One Democrat resigned and one died.
# : John Conyers
John James Conyers Jr. (May 16, 1929October 27, 2019) was an American politician of the Democratic Party who served as a U.S. representative from Michigan from 1965 to 2017. The districts he represented always included part of western Detroit. ...
resigned. Brenda Jones won the special election to complete Conyers's term.
# : Louise Slaughter
Dorothy Louise Slaughter (née McIntosh, August 14, 1929 – March 16, 2018) was an American politician elected to 16 terms as a United States Representative from New York, serving from 1987 until her death in 2018. She served as the Dean of the ...
died.
Republicans
Two Republicans resigned.
# : Pat Meehan
Patrick Leo Meehan (born October 20, 1955) is a former American Republican Party politician and federal prosecutor from Pennsylvania who represented parts of Delaware, Chester, Montgomery, Berks, and Lancaster counties in the United States Ho ...
resigned when redistricted from the 7th district.
# : Charlie Dent
Charles Wieder Dent (born May 24, 1960) is an American politician who served as a Republican member of the United States House of Representatives for from 2005 to 2018.
Born in Allentown, Pennsylvania, Dent worked in a variety of occupations ...
resigned when redistricted from the 15th district.
Incumbents defeated
In primary elections
Democrats
Three Democrats (including one non-voting delegate) lost renomination.
# : Delegate
Delegate or delegates may refer to:
* Delegate, New South Wales, a town in Australia
* Delegate (CLI), a computer programming technique
* Delegate (American politics), a representative in any of various political organizations
* Delegate (Unit ...
Madeleine Bordallo
Madeleine Mary Zeien Bordallo (; born May 31, 1933) is an American-Guamanian politician who served as the delegate to the U.S. House of Representatives for from January 3, 2003 to January 3, 2019.
She is the first woman ever to serve as Guam's ...
lost renomination to Michael San Nicolas
Michael Franklin Quitugua San Nicolas (born January 30, 1981) is a Guamanian Democratic Party politician, who served as the delegate to the U.S. House of Representatives for from 2019 to 2023. San Nicolas was elected by his colleagues in the 11 ...
, who went on to win the general election.
# : Mike Capuano
Michael Everett Capuano ( ; born January 9, 1952) is an American politician and attorney who served as a U.S. Representative from Massachusetts from 1999 to 2019. A Democrat, his district included the northern three-fourths of Boston, as well ...
lost renomination to Ayanna Pressley
Ayanna Soyini Pressley (born February 3, 1974) is an American politician who has served as the U.S. representative for Massachusetts's 7th congressional district since 2019. This district includes the northern three quarters of Boston, most of C ...
, who went on to win the general election.
# : Joe Crowley
Joseph Crowley (born March 16, 1962) is an American politician and consultant who served as U.S. Representative from New York's 14th congressional district from 1999 to 2019. He was defeated by Democratic primary challenger Alexandria Ocasio-C ...
lost renomination to Alexandria Ocasio-Cortez
Alexandria Ocasio-Cortez (; ; born October 13, 1989), also known by her initials AOC, is an American politician and activist. She has served as the U.S. representative for New York's 14th congressional district since 2019, as a member of th ...
, who went on to win the general election
A general election is a political voting election where generally all or most members of a given political body are chosen. These are usually held for a nation, state, or territory's primary legislative body, and are different from by-elections ( ...
.
Republicans
Two Republicans lost renomination.
# : Robert Pittenger
The name Robert is an ancient Germanic given name, from Proto-Germanic "fame" and "bright" (''Hrōþiberhtaz''). Compare Old Dutch ''Robrecht'' and Old High German ''Hrodebert'' (a compound of ''Hrōþ, Hruod'' ( non, Hróðr) "fame, glory ...
lost renomination to Mark Harris. A new special election was ordered due to electoral fraud conducted by associates of Republican Harris's campaign.
# : Mark Sanford
Marshall Clement "Mark" Sanford Jr. (born May 28, 1960) is an American politician and author who served as the U.S. Representative for South Carolina's 1st congressional district from 1995 to 2001 and again from 2013 to 2019, and also as the ...
lost renomination to Katie Arrington
Katherine E. Stolark Arrington (born December 6, 1970) is an American politician who was in the South Carolina House of Representatives from the 94th district for a single term, from 2017 to 2019. In 2018, she defeated former South Carolina Gover ...
, who went on to lose the general election to Joe Cunningham (D).
In the general election
Democrats
No Democrats lost re-election to Republicans.
Republicans
Thirty Republicans lost re-election to Democrats.
# : Jeff Denham
Jeffrey John Denham (born July 29, 1967) is an American politician, United States Air Force veteran, and businessman. A member of the Republican Party, he served as the U.S. representative for from 2013 to 2019. Denham first won election to th ...
(first elected in 2010) lost to Josh Harder
Joshua Keck Harder (born August 1, 1986) is an American politician and venture capital investor who has served as the U.S. representative from California's 9th congressional district since 2019 (known as the 10th congressional district until 2 ...
.
# : David Valadao
David Goncalves Valadao ( ; born April 14, 1977) is an American politician and dairy farmer serving as the U.S. representative for California's 22nd congressional district since 2023. His district comprises part of the San Joaquin Valley. A me ...
(first elected in 2012) lost to TJ Cox
Terrance John Cox (born July 18, 1963) is an American politician who served as the U.S. representative for California's 21st congressional district from 2019 to 2021. The son of Chinese American and Filipino American parents, Cox was elected to ...
.
# : Steve Knight (politician), Steve Knight (first elected in 2014) lost to Katie Hill (politician), Katie Hill.
# : Mimi Walters (first elected in 2014) lost to Katie Porter.
# : Dana Rohrabacher (first elected in 1988) lost to Harley Rouda.
# : Mike Coffman (first elected in 2008) lost to Jason Crow.
# : Carlos Curbelo (first elected in 2014) lost to Debbie Mucarsel-Powell.
# : Karen Handel (first elected in 2017) lost to Lucy McBath.
# : Peter Roskam (first elected in 2006) lost to Sean Casten.
# : Randy Hultgren (first elected in 2010) lost to Lauren Underwood.
# : Rod Blum (first elected in 2014) lost to Abby Finkenauer.
# : David Young (Iowa politician), David Young (first elected in 2014) lost to Cindy Axne.
# : Kevin Yoder (first elected in 2010) lost to Sharice Davids.
# : Bruce Poliquin (first elected in 2014) lost to Jared Golden.
# : Mike Bishop (politician), Mike Bishop (first elected in 2014) lost to Elissa Slotkin.
# : Jason Lewis (Minnesota politician), Jason Lewis (first elected in 2016) lost to Angie Craig.
# : Erik Paulsen (first elected in 2008) lost to Dean Phillips.
# : Tom MacArthur (first elected in 2014) lost to Andy Kim (politician), Andy Kim.
# : Leonard Lance (first elected in 2008) lost to Tom Malinowski.
# : Dan Donovan (politician), Dan Donovan (first elected in 2015) lost to Max Rose.
# : John Faso (first elected in 2016) lost to Antonio Delgado (politician), Antonio Delgado.
# : Claudia Tenney (first elected in 2016) lost to Anthony Brindisi.
# : Steve Russell (politician), Steve Russell (first elected in 2014) lost to Kendra Horn.
# : Keith Rothfus (first elected in 2012) lost a redistricting race to Conor Lamb.
# : John Culberson (first elected in 2000) lost to Lizzie Fletcher.
# : Pete Sessions (first elected in 1996) lost to Colin Allred.
# : Mia Love (first elected in 2014) lost to Ben McAdams.
# : Scott Taylor (politician), Scott Taylor (first elected in 2016) lost to Elaine Luria.
# : Dave Brat (first elected in 2014) lost to Abigail Spanberger.
# : Barbara Comstock (first elected in 2014) lost to Jennifer Wexton.
Open seats that changed parties
Democratic seats won by Republicans
Three open Democratic seats were won by Republicans.
# : won by Jim Hagedorn.
# : won by Pete Stauber.
# : Conor Lamb instead ran in the 17th district; won by Guy Reschenthaler.
Republican seats won by Democrats
Thirteen open Republican seats were won by Democrats.
# : won by Ann Kirkpatrick.
# : won by Gil Cisneros.
# : won by Mike Levin.
# : won by Donna Shalala.
# : won by Haley Stevens.
# : won by Jeff Van Drew, who later became a Republican on December 19, 2019.
# : won by Mikie Sherrill.
# : won by Xochitl Torres Small.
# : won by Mary Gay Scanlon.
# : won by Chrissy Houlahan.
# : won by Susan Wild.
# : won by Joe Cunningham.
# : won by Kim Schrier.
Open seats that parties held
Democratic seats held by Democrats
Democrats held nineteen of their open seats.
# : won by Greg Stanton.
# : won by Joe Neguse.
# : won by Jahana Hayes.
# : won by Ed Case.
# : won by Jesús "Chuy" García, Chuy García.
# : won by David Trone.
# : won by Lori Trahan.
# : won by Andy Levin.
# : won by Rashida Tlaib.
# : won by Ilhan Omar.
# : won by Susie Lee.
# : won by Steven Horsford.
# : won by Chris Pappas (politician), Chris Pappas.
# : won by Deb Haaland.
# : won by Joseph Morelle, Joe Morelle.
# : Bob Brady
Robert A. Brady (born April 7, 1945) is an American politician who served as the U.S. representative for from 1998 to 2019. He was the ranking Democrat and Chairman of the United States House Committee on House Administration from 2007 to 2019. ...
retired; won by Brendan Boyle.
# : Brendan Boyle ran in ; won by Madeleine Dean.
# : won by Veronica Escobar.
# : won by Sylvia Garcia.
Republican seats held by Republicans
Republicans held twenty-eight of their open seats.
# : won by Michael Waltz.
# : won by Ross Spano.
# : won by Greg Steube.
# : won by Russ Fulcher.
# : won by Jim Baird (American politician), Jim Baird.
# : won by Greg Pence.
# : won by Steve Watkins (politician), Steve Watkins.
# : won by Michael Guest (politician), Michael Guest.
# : won by Kelly Armstrong.
# : won by Anthony Gonzalez (politician), Anthony Gonzalez.
# : won by Kevin Hern.
# : won by Dan Meuser.
# : won by John Joyce (American politician), John Joyce.
# : won by William Timmons (politician), William Timmons.
# : won by Dusty Johnson.
# : won by Tim Burchett.
# : won by John Rose (Tennessee politician), John Rose.
# : won by Mark E. Green, Mark Green.
# : won by Dan Crenshaw.
# : won by Van Taylor.
# : won by Lance Gooden.
# : won by Ron Wright (politician), Ron Wright.
# : won by Chip Roy.
# : won by Denver Riggleman.
# : won by Ben Cline.
# : won by Carol Miller (politician), Carol Miller.
# : won by Bryan Steil.
Resignations
Three other members announced their retirements but then resigned early before their terms ended.
# : Blake Farenthold (R) announced his retirement December 14, 2017. He resigned on April 6, 2018. His seat was filled by a special election for the remainder of the term.
# : Jason Chaffetz (R) announced his retirement April 19, 2017. He resigned on June 30, 2017. His seat was filled by a special election for the remainder of the term.
# : Evan Jenkins (R) announced his retirement May 8, 2017, to run for U.S. Senator.[ He lost the nomination and then resigned September 30, 2018, when appointed to the Supreme Court of Appeals of West Virginia. His seat was not filled until the regular election for the next congress.
]
Closest races
In eighty-nine races, the margin of victory was under 10%.
Election ratings
Special elections
Elections ordered by election date.
, -
!
, Tim Murphy (American politician), Tim Murphy
,
, 2002 United States House of Representatives elections in Pennsylvania, 2002
, data-sort-value=03/13/2018 , Incumbent resigned October 21, 2017.
New member 2018 Pennsylvania's 18th congressional district special election, elected March 13, 2018.
Democratic gain.
, nowrap ,
, -
!
, Trent Franks
,
, 2002 United States House of Representatives elections in Arizona, 2002
, , Incumbent resigned December 8, 2017.
New member 2018 Arizona's 8th congressional district special election, elected April 24, 2018.
Republican hold.
, nowrap ,
, -
!
, Blake Farenthold
,
, 2010 United States House of Representatives elections in Texas, 2010
, , Incumbent resigned April 6, 2018.
New member 2018 Texas's 27th congressional district special election, elected June 30, 2018.
Republican hold.
, nowrap ,
, -
!
, Pat Tiberi
,
, 2000 United States House of Representatives elections in Ohio, 2000
, , Incumbent resigned January 15, 2018.
New member 2018 Ohio's 12th congressional district special election, elected August 7, 2018.
Republican hold.
, nowrap ,
, -
!
, John Conyers
John James Conyers Jr. (May 16, 1929October 27, 2019) was an American politician of the Democratic Party who served as a U.S. representative from Michigan from 1965 to 2017. The districts he represented always included part of western Detroit. ...
,
, 1964 United States House of Representatives elections in Michigan, 1964
, , Incumbent resigned December 5, 2017.
New member 2018 Michigan's 13th congressional district special election, elected November 6, 2018.
Democratic hold.
, nowrap ,
, -
!
, Louise Slaughter
Dorothy Louise Slaughter (née McIntosh, August 14, 1929 – March 16, 2018) was an American politician elected to 16 terms as a United States Representative from New York, serving from 1987 until her death in 2018. She served as the Dean of the ...
,
, 1986 United States House of Representatives elections in New York, 1986
, , Incumbent died March 16, 2018.
New member 2018 New York's 25th congressional district special election, elected November 6, 2018.
Democratic hold.
, nowrap ,
, -
!
, Pat Meehan
Patrick Leo Meehan (born October 20, 1955) is a former American Republican Party politician and federal prosecutor from Pennsylvania who represented parts of Delaware, Chester, Montgomery, Berks, and Lancaster counties in the United States Ho ...
,
, 2010 United States House of Representatives elections in Pennsylvania, 2010
, data-sort-value=11/06/2018 , Incumbent resigned April 27, 2018.
New member 2018 Pennsylvania's 7th congressional district special election, elected November 6, 2018.
Democratic gain.
, nowrap ,
, -
!
, Charlie Dent
Charles Wieder Dent (born May 24, 1960) is an American politician who served as a Republican member of the United States House of Representatives for from 2005 to 2018.
Born in Allentown, Pennsylvania, Dent worked in a variety of occupations ...
,
, 2004 United States House of Representatives elections in Pennsylvania, 2004
, data-sort-value=11/06/2018 , Incumbent resigned May 12, 2018.
New member 2018 Pennsylvania's 15th congressional district special election, elected November 6, 2018.
Democratic gain.
, nowrap ,
Voter demographics
Source: Edison Research exit poll for the National Election Pool
Election dates
For the regularly scheduled November elections.
Alabama
The state congressional delegation remained the same, at 6–1 for Republicans.
Alaska
Republicans maintained control of the sole seat in the state.
Arizona
The state congressional delegation flipped from a 5–4 Republican majority to a 5–4 Democratic majority.
Arkansas
The state congressional delegation remained the same with a 4–0 Republican majority.
California
The Democratic majority increased from 39–14 to 46–7.
Colorado
The state congressional delegation flipped from a 4–3 Republican majority to a 4–3 Democratic majority.
Connecticut
The state congressional delegation remained unchanged at 5–0 Democrats.
Delaware
Democrats retained control of the sole seat in the state.
Florida
The Republican majority was reduced from 16–11 to 14–13.
Georgia
The Republican majority was reduced from 10–4 to 9–5.
Hawaii
Hawaii maintained its 2-0 Democratic hold.
Idaho
Idaho maintained its 2-0 Republican hold.
Illinois
The Democratic majority increased from 11–7 to 13–5.
Indiana
The Republican majority remained at 7–2.
Iowa
Iowa's delegation flipped from a 3–1 Republican majority to a 3–1 Democratic majority.
Kansas
The Republican majority slipped from 4–0 to 3–1.
Kentucky
Republicans maintained their 5–1 majority.
Louisiana
All incumbents were re-elected, and Republicans maintained their 5–1 majority.
Maine
The 1–1 tie became a 2–0 Democratic hold. This was the first use of Instant-runoff voting, ranked choice voting to decide a House race.
Maryland
Democrats maintained their 7–1 majority.
Massachusetts
Democrats maintained their 9–0 hold.
Michigan
The delegation flipped from a 9–5 Republican majority to a 7–7 split.
Minnesota
Although half of the seats switched parties, Democrats maintained the same 5–3 majority.
Mississippi
The Republicans maintained their 3-1 majority in the state.
Missouri
The Republicans maintained their 6-2 seat majority.
Montana
Republicans maintained control of the lone house seat.
Nebraska
Republicans maintained their 3-0 majority.
Nevada
Democrats maintained their 3-1 majority.
New Hampshire
The Democrats maintained control of both house seats.
New Jersey
The state congressional delegation changed from 7–5 for Democrats to 11–1 for Democrats.
New Mexico
The state congressional delegation changed from 2–1 for Democrats to all 3 seats controlled by Democrats.
New York
Democrats increased their seat majority in New York's congressional delegation from 18–9 to 21–6.
North Carolina
Due to allegations of electoral fraud, the 116th Congress was sworn in with one seat vacant. On February 21, 2019, a new election was ordered by the state election board.
North Dakota
Republicans maintained control of the sole house seat.
Ohio
The state congressional delegation remained the same at 12–4 for Republicans.
Oklahoma
The state congressional delegation changed from 5–0 for Republicans to a 4–1 Republican majority.
Oregon
The state congressional delegation remained the same, with a 4–1 Democratic majority.
Pennsylvania
As a result of changes in the congressional map, the state congressional delegation changed from a 13–5 Republican majority to a 9–9 split.
Rhode Island
The state congressional delegation remained unchanged at 2–0 for Democrats.
South Carolina
The state congressional delegation changed from 6–1 for Republicans to 5–2 for Republicans.
South Dakota
Republicans retained control of the sole seat in the state.
Tennessee
Republicans maintained their 7-2 seat majority.
Texas
The state congressional delegation changed from a 25–11 Republican majority to a 23–13 Republican majority.
Utah
The state congressional delegation changed from 4–0 for Republicans to a 3–1 Republican majority.
Vermont
The Democrats maintained control of the sole seat in the state.
Virginia
The state congressional delegation flipped from a 7–4 Republican majority to a 7–4 Democratic majority.
Washington
Democrats increased their seat majority from 6–4 to 7–3.
West Virginia
The state congressional delegation remained the same at 3–0 for Republicans.
Wisconsin
Republicans maintained their 5-3 seat majority.
Wyoming
Republicans maintained control of the sole seat in the state.
Non-voting delegates
American Samoa
District of Columbia
Guam
Northern Mariana Islands
The 2018 United States House of Representatives election in the Northern Mariana Islands, election for a non-voting delegate from the Northern Mariana Islands was postponed until Tuesday, November 13, 2018 due to the impact of Typhoon Yutu.
Puerto Rico
The Resident Commissioner of Puerto Rico is not up for re-election until 2020.[ Currently held by Republican Party of Puerto Rico (1903), Republican Jenniffer González, who was first elected in 2016, the Resident Commissioner is the only member of the United States House of Representatives to serve a four-year term.][
]
United States Virgin Islands
See also
* 115th United States Congress
* 116th United States Congress
** List of new members of the 116th United States Congress
* 2017 United States elections
* 2018 United States gubernatorial elections
* 2018 United States Senate elections
Notes
References
{{2018 United States elections
2018 United States House of Representatives elections,