The 116th United States Congress began on January 3, 2019. There were nine new senators (two Democrats, seven Republicans) and a minimum of 89 new representatives (59 Democrats, 29 Republicans, with one open seat pending), as well as one new delegate (a Democrat), at the start of its first session. Additionally, three senators (one Democrat, two Republicans) and eight representatives (two Democrats, six Republicans) took office on various dates in order to fill vacancies during the 117th Congress before it ended on January 3, 2021.

The co-presidents of the House Democratic freshman class were Colin Allred of Texas and Haley Stevens of Michigan, while the president of the House Republican freshman class was Mark Green of Tennessee. Additionally, the Democratic Freshmen Leadership Representatives were Katie Hill of California and Joe Neguse of Colorado, and the Republican's freshmen liaison was Guy Reschenthaler of Pennsylvania. Veronica Escobar of Texas replaced Hill upon her resignation in November 2019.

Senate Took office January 3, 2019 State Image Senator Seniority Switched party Prior background Birth year Ref Arizona(Class 3) (R) (95th overall) No U.S. House of RepresentativesU.S. Air Force Colonel 1966 Arizona(Class 1) (D) (93rd overall) Yes U.S. House of RepresentativesArizona SenateArizona House of Representatives 1976 Indiana (R) (98th overall) Yes Indiana House of Representatives 1954 Missouri (R) (99th overall) Yes Missouri Attorney General 1979 Nevada (D) (96th overall) Yes U.S. House of Representatives 1957 North Dakota (R) (94th overall) Yes U.S. House of RepresentativesNorth Dakota Public Service CommissionChair of the North Dakota Republican Party 1961 Tennessee (R) (92nd overall) No U.S. House of RepresentativesTennessee SenateChair of the Williamson County Republican Party 1952 Utah (R) (97th overall) No Governor of MassachusettsCo-founder of Bain CapitalCEO of Bain & Company 1947

Took office during the 116th Congress State Image Senator Took office Switched party Prior background Birth year Ref Florida (R) Yes Governor of FloridaCo-founder of Columbia Hospital CorporationU.S. Navy Petty Officer 1952 Georgia (R) No CEO of Bakkt 1970 Arizona (D) Yes NASA astronautU.S. Navy Captain 1964

House of Representatives Took office January 3, 2019 District Image Representative Switched party Prior background Birth year Ref (D) Yes U.S. House of RepresentativesArizona House of Representatives 1950 (D) No Mayor of PhoenixPhoenix City Council 1970 (D) Yes Venture capital investor 1986 (D) Yes Chemical engineer 1963 (D) Yes Social services administrator 1987 (D) Yes PhilanthropistU.S. Navy Lieutenant Commander 1971 (D) Yes LawyerProfessor 1974 (D) Yes LawyerBusinessman 1961 (D) Yes Attorney 1978 (D) No Colorado Director of Regulatory AgenciesRegents of the University of Colorado 1984 (D) Yes LawyerU.S. Army Ranger 1979 (D) No Educator 1973 (R) No U.S. Army Special Forces 1974 (R) No Florida House of Representatives 1966 (R) No Florida SenateFlorida House of RepresentativesU.S. Army Judge Advocate General's Corps 1978 (D) Yes Academic administrator 1971 (D) Yes U.S. Secretary of Health and Human ServicesAsst. Sec. of Housing and Urban DevelopmentPresident of the Clinton FoundationPresident of the University of Miami 1941 (D) Yes Gun control advocate 1960 (D) No U.S. House of RepresentativesHawaii House of Representatives 1952 (R) No Idaho Senate 1962 (D) No Cook County Board of CommissionersIllinois SenateChicago City Council 1956 (D) Yes Co-founder of Recycled Energy DevelopmentScientist 1971 (D) Yes Senior advisor at the U.S. HHS DepartmentRegistered nurse 1986 (R) No Indiana House of RepresentativesU.S. Army First Lieutenant 1945 (R) No BusinessmanU.S. Marine Corps First Lieutenant 1956 (D) Yes Iowa House of Representatives 1988 (D) Yes Businesswoman 1965 (R) No U.S. Army Captain 1976 (D) Yes AttorneyMixed martial artist 1980 (D) Yes Maine House of RepresentativesU.S. Marine Corps 1982 (D) No Co-founder of Total Wine & More 1955 (D) No BusinesswomanChief of staff to Representative Marty Meehan 1973 (D) No Boston City CouncilSenior aide to Senator John Kerry 1974 (D) Yes Assistant Secretary of Defense (ISA)Central Intelligence Agency 1976 (D) No Deputy Director of the Michigan DELEGTrade union organizer 1960 (D) Yes Chief of staff to the Pres. Auto Industry Task Force 1983 (D) No Michigan House of Representatives 1976 (R) Yes Bureau of Engraving and Printing officialFinancial Management Service officialLegislative aide to Representative Arlan Stangeland 1962 (DFL) Yes Journalist 1972 (DFL) Yes President of Phillips Distilling CompanyCo-owner of Talenti 1969 (DFL) No Minnesota House of RepresentativesPolicy aide to City Councilor Andrew Johnson 1982 (R) Yes St. Louis County CommissionHermantown City CouncilDuluth Police DepartmentProfessional ice hockey player 1966 (R) No Madison and Rankin Counties District Attorney 1970 (D) No President of Nevada Communities In Schools 1966 (D) No U.S. House of RepresentativesMajority Leader of the Nevada Senate 1973 (D) No Executive Council of New HampshireNew Hampshire House of Representatives 1980 (D) Yes New Jersey SenateNew Jersey General AssemblyCape May County Board of Chosen Freeholders 1953 (D) Yes U.S. National Security Council 1982 (D) Yes Assistant Secretary of State (D/HR/L)Human Rights WatchU.S. National Security Council 1965 (D) Yes Assistant U.S. AttorneyU.S. Navy Lieutenant 1972 (D) No Chair of the Democratic Party of New Mexico 1960 (D) Yes Law clerk 1984 (D) Yes Army National Guard Captain 1986 (D) No Activist 1989 (D) Yes Attorney 1977 (D) Yes New York State Assembly 1978 (R) No Chair of the North Dakota Republican PartyNorth Dakota Senate 1976 (R) No Professional football player 1984 (D) Yes Lawyer 1976 (D) New seat Pennsylvania House of Representatives 1959 (D) Yes COO of AND1U.S. Air Force Reserve Captain 1967 (R) No Pennsylvania Secretary of Revenue 1964 (R) No Dermatologist 1957 (R) New seat Pennsylvania State SenateU.S. Navy Judge Advocate General's Corps 1983 (D) Yes Marine engineerConstruction attorney 1982 (R) No South Carolina SenateAir National Guard Captain 1984 (R) No Chief of staff to Governor Dennis DaugaardSouth Dakota Public Utilities Commission 1976 (R) No Mayor of Knox CountyTennessee SenateTennessee House of Representatives 1964 (R) No Tennessee Commissioner of Agriculture 1965 (R) No Tennessee SenateU.S. Army Major 1964 (R) No U.S. Navy SEAL 1984 (R) No Texas SenateTexas House of RepresentativesU.S. Marine Corps Major 1972 (R) No Texas House of Representatives 1982 (R) No Tarrant County Tax Assessor-CollectorChief of staff to Representative Joe BartonArlington City Council 1953 (D) Yes Attorney 1975 (D) No El Paso County JudgeEl Paso County Commission 1969 (R) No Chief of staff to Senator Ted Cruz 1972 (D) No Texas SenateHarris County CommissionHouston City Controller 1950 (D) Yes Professional football playerLawyer 1983 (D) Yes Mayor of Salt Lake CountyUtah State Senate 1974 (D) Yes U.S. Navy Commander 1975 (R) No National Security Agency contractorU.S. Air Force ISR Agency 1970 (R) No Virginia House of Delegates 1972 (D) Yes Central Intelligence Agency 1979 (D) Yes Senate of Virginia 1968 (D) Yes Pediatrician 1968 (R) No West Virginia House of Delegates 1950 (R) No University of Wisconsin Board of Regents 1981

Non-voting members District Image Delegate Switched party Prior background Birth year Ref (D) No Legislature of Guam 1981

Took office during the 116th Congress District Image Representative Took office Switched party Prior background Birth year Ref (R) No Pennsylvania House of Representatives 1965 (R) No North Carolina House of RepresentativesUrologist 1963 (R) No North Carolina SenateNorth Carolina House of RepresentativesMecklenburg County Commission 1964 (D) No President of the NAACPU.S. House of RepresentativesBaltimore City Council 1948 (R) Yes Business development managerU.S. Navy Lieutenant Commander 1976 (R) No Wisconsin SenateWisconsin State Assembly 1957 (R) No New York State SenateErie County ClerkSecretary of State of New York 1966 (D) No Atlanta City Council 1971

See also List of United States representatives in the 116th Congress List of United States senators in the 116th Congress

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