District Image Representative Switched party Prior background Birth year Ref Arizona 2 Ann Kirkpatrick (D) Yes Open seat; replaced Martha McSally (R) U.S. House of Representatives [ g] Arizona House of Representatives 1950 [ 15] Arizona 9 Greg Stanton (D) No Open seat; replaced Kyrsten Sinema (D) Mayor of Phoenix Phoenix City Council 1970 [ 16] California 10 Josh Harder (D) Yes Defeated Jeff Denham (R) Venture capital investor 1986 [ 17] California 21 TJ Cox (D) Yes Defeated David Valadao (R) Chemical engineer 1963 [ 18] California 25 Katie Hill (D) Yes Defeated Steve Knight (R) Social services administrator 1987 [ 19] California 39 Gil Cisneros (D) Yes Open seat; replaced Ed Royce (R) Philanthropist U.S. Navy Lieutenant Commander 1971 [ 20] California 45 Katie Porter (D) Yes Open seat; replaced Mimi Walters (R) Lawyer Professor 1974 [ 21] California 48 Harley Rouda (D) Yes Defeated Dana Rohrabacher (R) Lawyer Businessman 1961 [ 22] California 49 Mike Levin (D) Yes Open seat; replaced Darrell Issa (R) Attorney 1978 [ 23] Colorado 2 Joe Neguse (D) No Open seat; replaced Jared Polis (D) Colorado Director of Regulatory Agencies Regents of the University of Colorado 1984 [ 24] Colorado 6 Jason Crow (D) Yes Defeated Mike Coffman (R) Lawyer U.S. Army Ranger 1979 [ 25] Connecticut 5 Jahana Hayes (D) No Open seat; replaced Elizabeth Esty (D) Educator 1973 [ 26] Florida 6 Mike Waltz (R) No Open seat; replaced Ron DeSantis (R) U.S. Army Special Forces 1974 [ 27] Florida 15 Ross Spano (R) No Open seat; replaced Dennis Ross (R) Florida House of Representatives 1966 [ 28] Florida 17 Greg Steube (R) No Open seat; replaced Tom Rooney (R) Florida Senate Florida House of Representatives U.S. Army Judge Advocate General's Corps 1978 [ 29] Florida 26 Debbie Mucarsel-Powell (D) Yes Defeated Carlos Curbelo (R) Academic administrator 1971 [ 30] Florida 27 Donna Shalala (D) Yes Open seat; replaced Ileana Ros-Lehtinen (R) U.S. Secretary of Health and Human Services Asst. Sec. of Housing and Urban Development President of the Clinton Foundation President of the University of Miami 1941 [ 31] Georgia 6 Lucy McBath (D) Yes Defeated Karen Handel (R) Gun control advocate 1960 [ 32] Hawaii 1 Ed Case (D) No Open seat; replaced Colleen Hanabusa (D) U.S. House of Representatives [ h] Hawaii House of Representatives 1952 [ 33] Idaho 1 Russ Fulcher (R) No Open seat; replaced Raúl Labrador (R) Idaho Senate 1962 [ 34] Illinois 4 Chuy García (D) No Open seat; replaced Luis Gutiérrez (D) Cook County Board of Commissioners Illinois Senate Chicago City Council 1956 [ 35] Illinois 6 Sean Casten (D) Yes Defeated Peter Roskam (R) Co-founder of Recycled Energy Development Scientist 1971 [ 36] Illinois 14 Lauren Underwood (D) Yes Defeated Randy Hultgren (R) Senior advisor at the U.S. HHS Department Registered nurse 1986 [ 37] Indiana 4 Jim Baird (R) No Open seat; replaced Todd Rokita (R) Indiana House of Representatives U.S. Army First Lieutenant 1945 [ 38] Indiana 6 Greg Pence (R) No Open seat; replaced Luke Messer (R) Businessman U.S. Marine Corps First Lieutenant 1956 [ 39] Iowa 1 Abby Finkenauer (D) Yes Defeated Rod Blum (R) Iowa House of Representatives 1988 [ 40] Iowa 3 Cindy Axne (D) Yes Defeated David Young (R) Businesswoman 1965 [ 41] Kansas 2 Steve Watkins (R) No Open seat; replaced Lynn Jenkins (R) U.S. Army Captain 1976 [ 42] Kansas 3 Sharice Davids (D) Yes Defeated Kevin Yoder (R) Attorney Mixed martial artist 1980 [ 43] Maine 2 Jared Golden (D) Yes Defeated Bruce Poliquin (R) Maine House of Representatives U.S. Marine Corps 1982 [ 44] Maryland 6 David Trone (D) No Open seat; replaced John Delaney (D) Co-founder of Total Wine & More 1955 [ 45] Massachusetts 3 Lori Trahan (D) No Open seat; replaced Niki Tsongas (D) Businesswoman Chief of staff to Representative Marty Meehan 1973 [ 46] Massachusetts 7 Ayanna Pressley (D) No Defeated Mike Capuano (D) in a primary Boston City Council Senior aide to Senator John Kerry 1974 [ 47] Michigan 8 Elissa Slotkin (D) Yes Defeated Mike Bishop (R) Assistant Secretary of Defense (ISA) Central Intelligence Agency 1976 [ 48] Michigan 9 Andy Levin (D) No Open seat; replaced Sander Levin (D) Deputy Director of the Michigan DELEG Trade union organizer 1960 [ 49] Michigan 11 Haley Stevens (D) Yes Open seat; replaced Dave Trott (R) Chief of staff to the Pres. Auto Industry Task Force 1983 [ 50] Michigan 13 Rashida Tlaib (D) No Open seat; replaced Brenda Jones (D) [ i] Michigan House of Representatives 1976 [ 51] Minnesota 1 Jim Hagedorn (R) Yes Open seat; replaced Tim Walz (DFL) Bureau of Engraving and Printing official Financial Management Service official Legislative aide to Representative Arlan Stangeland 1962 [ 52] Minnesota 2 Angie Craig (DFL) Yes Defeated Jason Lewis (R) Journalist 1972 [ 53] Minnesota 3 Dean Phillips (DFL) Yes Defeated Erik Paulsen (R) President of Phillips Distilling Company Co-owner of Talenti 1969 [ 54] Minnesota 5 Ilhan Omar (DFL) No Open seat; replaced Keith Ellison (DFL) Minnesota House of Representatives Policy aide to City Councilor Andrew Johnson 1982 [ 55] Minnesota 8 Pete Stauber (R) Yes Open seat; replaced Rick Nolan (DFL) St. Louis County Commission Hermantown City Council Duluth Police Department Professional ice hockey player 1966 [ 56] Mississippi 3 Michael Guest (R) No Open seat; replaced Gregg Harper (R) Madison and Rankin Counties District Attorney 1970 [ 57] Nevada 3 Susie Lee (D) No Open seat; replaced Jacky Rosen (D) President of Nevada Communities In Schools 1966 [ 58] Nevada 4 Steven Horsford (D) No Open seat; replaced Ruben Kihuen (D) U.S. House of Representatives [ j] Majority Leader of the Nevada Senate 1973 [ 59] New Hampshire 1 Chris Pappas (D) No Open seat; replaced Carol Shea-Porter (D) Executive Council of New Hampshire New Hampshire House of Representatives 1980 [ 60] New Jersey 2 Jeff Van Drew (D) Yes [ k] Open seat; replaced Frank LoBiondo (R) New Jersey Senate New Jersey General Assembly Cape May County Board of Chosen Freeholders 1953 [ 61] New Jersey 3 Andy Kim (D) Yes Defeated Tom MacArthur (R) U.S. National Security Council 1982 [ 62] New Jersey 7 Tom Malinowski (D) Yes Defeated Leonard Lance (R) Assistant Secretary of State (D/HR/L) Human Rights Watch U.S. National Security Council 1965 [ 63] New Jersey 11 Mikie Sherrill (D) Yes Open seat; replaced Rodney Frelinghuysen (R) Assistant U.S. Attorney U.S. Navy Lieutenant 1972 [ 64] New Mexico 1 Deb Haaland (D) No Open seat; replaced Michelle Lujan Grisham (D) Chair of the Democratic Party of New Mexico 1960 [ 65] New Mexico 2 Xochitl Torres Small (D) Yes Open seat; replaced Steve Pearce (R) Law clerk 1984 [ 66] New York 11 Max Rose (D) Yes Defeated Dan Donovan (R) Army National Guard Captain 1986 [ 67] New York 14 Alexandria Ocasio-Cortez (D) No Defeated Joe Crowley (D) in a primary [ l] Activist 1989 [ 68] New York 19 Antonio Delgado (D) Yes Defeated John Faso (R) Attorney 1977 [ 69] New York 22 Anthony Brindisi (D) Yes Defeated Claudia Tenney (R) New York State Assembly 1978 [ 70] North Dakota at-large Kelly Armstrong (R) No Open seat; replaced Kevin Cramer (R) Chair of the North Dakota Republican Party North Dakota Senate 1976 [ 71] Ohio 16 Anthony Gonzalez (R) No Open seat; replaced Jim Renacci (R) Professional football player 1984 [ 72] Oklahoma 5 Kendra Horn (D) Yes Defeated Steve Russell (R) Lawyer 1976 [ 73] Pennsylvania 4 Madeleine Dean (D) New seat Pennsylvania House of Representatives 1959 [ 74] Pennsylvania 6 Chrissy Houlahan (D) Yes Open seat; replaced Ryan Costello (R) COO of AND1 U.S. Air Force Reserve Captain 1967 [ 75] Pennsylvania 9 Dan Meuser (R) No Open seat; replaced Lou Barletta (R) Pennsylvania Secretary of Revenue 1964 [ 76] Pennsylvania 13 John Joyce (R) No Open seat; replaced Bill Shuster (R) Dermatologist 1957 [ 77] Pennsylvania 14 Guy Reschenthaler (R) New seat Pennsylvania State Senate U.S. Navy Judge Advocate General's Corps 1983 [ 78] South Carolina 1 Joe Cunningham (D) Yes Replaced Mark Sanford (R), who was defeated in a primary Marine engineer Construction attorney 1982 [ 79] South Carolina 4 William Timmons (R) No Open seat; replaced Trey Gowdy (R) South Carolina Senate Air National Guard Captain 1984 [ 80] South Dakota at-large Dusty Johnson (R) No Open seat; replaced Kristi Noem (R) Chief of staff to Governor Dennis Daugaard South Dakota Public Utilities Commission 1976 [ 81] Tennessee 2 Tim Burchett (R) No Open seat; replaced Jimmy Duncan (R) Mayor of Knox County Tennessee Senate Tennessee House of Representatives 1964 [ 82] Tennessee 6 John Rose (R) No Open seat; replaced Diane Black (R) Tennessee Commissioner of Agriculture 1965 [ 83] Tennessee 7 Mark E. Green (R) No Open seat; replaced Marsha Blackburn (R) Tennessee Senate U.S. Army Major 1964 [ 84] Texas 2 Dan Crenshaw (R) No Open seat; replaced Ted Poe (R) U.S. Navy SEAL 1984 [ 85] Texas 3 Van Taylor (R) No Open seat; replaced Sam Johnson (R) Texas Senate Texas House of Representatives U.S. Marine Corps Major 1972 [ 86] Texas 5 Lance Gooden (R) No Open seat; replaced Jeb Hensarling (R) Texas House of Representatives 1982 [ 87] Texas 6 Ron Wright (R) No Open seat; replaced Joe Barton (R) Tarrant County Tax Assessor-Collector Chief of staff to Representative Joe Barton Arlington City Council 1953 [ 88] Texas 7 Lizzie Fletcher (D) Yes Defeated John Culberson (R) Attorney 1975 [ 89] Texas 16 Veronica Escobar (D) No Open seat; replaced Beto O'Rourke (D) El Paso County Judge El Paso County Commission 1969 [ 90] Texas 21 Chip Roy (R) No Open seat; replaced Lamar Smith (R) Chief of staff to Senator Ted Cruz 1972 [ 91] Texas 29 Sylvia Garcia (D) No Open seat; replaced Gene Green (D) Texas Senate Harris County Commission Houston City Controller 1950 [ 92] Texas 32 Colin Allred (D) Yes Defeated Pete Sessions (R) Professional football player Lawyer 1983 [ 93] Utah 4 Ben McAdams (D) Yes Defeated Mia Love (R) Mayor of Salt Lake County Utah State Senate 1974 [ 94] Virginia 2 Elaine Luria (D) Yes Defeated Scott Taylor (R) U.S. Navy Commander 1975 [ 95] Virginia 5 Denver Riggleman (R) No Open seat; replaced Tom Garrett (R) National Security Agency contractor U.S. Air Force ISR Agency 1970 [ 96] Virginia 6 Ben Cline (R) No Open seat; replaced Bob Goodlatte (R) Virginia House of Delegates 1972 [ 97] Virginia 7 Abigail Spanberger (D) Yes Defeated Dave Brat (R) Central Intelligence Agency 1979 [ 98] Virginia 10 Jennifer Wexton (D) Yes Defeated Barbara Comstock (R) Senate of Virginia 1968 [ 99] Washington 8 Kim Schrier (D) Yes Open seat; replaced Dave Reichert (R) Pediatrician 1968 [ 100] West Virginia 3 Carol Miller (R) No Open seat; replaced Evan Jenkins (R) West Virginia House of Delegates 1950 [ 101] Wisconsin 1 Bryan Steil (R) No Open seat; replaced Paul Ryan (R) University of Wisconsin Board of Regents 1981 [ 102]