List of United States senators in the 117th Congress explained

This is a complete list of United States senators during the 117th United States Congress listed by seniority, from January 3, 2021, to January 3, 2023. It is a historical listing and will contain people who have not served the entire two-year Congress should anyone resign, die, or be expelled.

In this Congress, the most junior senior senator was Kelly Loeffler until Jon Ossoff and Raphael Warnock were sworn in on January 20, 2021, after which Ossoff became the most junior senior senator. The most senior junior senator is Maria Cantwell.

Order of service is based on the commencement of the senator's first term. Behind this is former service as a senator (only giving the senator seniority within his or her new incoming class), service as vice president, a House member, a cabinet secretary, or a governor of a state. The final factors are the population of the senator's state and the alphabetical position of the senator's surname.[1] [2] [3] [4] [5]

Terms of service

ClassTerms of service of senators that expired or will expire in years
Class 3Terms of service of senators that expired in 2023 (Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Iowa, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maine, Michigan, Minnesota, Mississippi, North Carolina, North Dakota, New Hampshire, New Mexico, Nevada, New York, Oklahoma, Oregon, South Carolina, South Dakota, Tennessee, Utah, Washington and Wisconsin.)[6]
Class 1Terms of service of senators that will expire in 2025 (Arizona, California, Connecticut, Delaware, Florida, Hawaii, Indiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming.)[7]
Class 2Terms of service of senators that will expire in 2027 (Alabama, Alaska, Arkansas, Colorado, Delaware, Georgia, Iowa, Idaho, Illinois, Kansas, Kentucky, Louisiana, Massachusetts, Maine, Michigan, Minnesota, Mississippi, Montana, North Carolina, Nebraska, New Hampshire, New Jersey, New Mexico, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, West Virginia, and Wyoming.)[8]

U.S. Senate seniority list

RankHistorical
rank		SenatorPartyStateSeniority dateOther factors
11692DemocraticVermontJanuary 3, 1975 
21743RepublicanIowaJanuary 3, 1981
31766RepublicanKentuckyJanuary 3, 1985 
41775RepublicanAlabamaJanuary 3, 1987
51801DemocraticCaliforniaNovember 10, 1992 
61812DemocraticWashingtonJanuary 3, 1993 
71816RepublicanOklahomaNovember 17, 1994
81827DemocraticOregonFebruary 6, 1996
91831DemocraticIllinoisJanuary 3, 1997Former member of the U.S. House of Representatives (14 years)
101835DemocraticRhode IslandFormer member of the U.S. House of Representatives (6 years)
111842RepublicanMaine 
121844DemocraticNew YorkJanuary 3, 1999Former member of the U.S. House of Representatives (18 years)
131846RepublicanIdahoFormer member of the U.S. House of Representatives (6 years)
141855DemocraticDelawareJanuary 3, 2001Former member of the U.S. House of Representatives (10 years)
151856DemocraticMichiganFormer member of the U.S. House of Representatives (4 years)
161859[9] DemocraticWashingtonFormer member of the U.S. House of Representatives (2 years)
171867RepublicanTexasDecember 1, 2002 
181868RepublicanAlaskaDecember 20, 2002 
191870RepublicanSouth CarolinaJanuary 3, 2003
201876RepublicanNorth CarolinaJanuary 3, 2005Former member of the U.S. House of Representatives (10 years)
211879RepublicanSouth DakotaFormer member of the U.S. House of Representatives (6 years)
221885DemocraticNew JerseyJanuary 18, 2006
231886DemocraticMarylandJanuary 3, 2007Former member of the U.S. House of Representatives (20 years)
241887Independent[10] VermontFormer member of the U.S. House of Representatives (16 years)
251888DemocraticOhioFormer member of the U.S. House of Representatives (14 years)
261889DemocraticPennsylvaniaPennsylvania 6th in population (2000)
271893DemocraticMinnesotaMinnesota 21st in population (2000)
281894DemocraticRhode IslandRhode Island 43rd in population (2000)
291895DemocraticMontanaMontana 44th in population (2000)
301896RepublicanWyomingJune 25, 2007 
311897RepublicanMississippiDecember 31, 2007
321901DemocraticNew HampshireJanuary 3, 2009Former governor (6 years)
331902DemocraticVirginiaFormer governor (4 years)
341903RepublicanIdahoFormer governor (7 months)
351905DemocraticOregon 
361909DemocraticColoradoJanuary 21, 2009 
371910DemocraticNew YorkJanuary 26, 2009
381916DemocraticWest VirginiaNovember 15, 2010Former governor
391917DemocraticDelaware 
401919RepublicanMissouriJanuary 3, 2011Former member of the U.S. House of Representatives (14 years); Missouri 17th in population (2000)
411920RepublicanKansasFormer member of the U.S. House of Representatives (14 years); Kansas 32nd in population (2000)
421921RepublicanOhioFormer member of the U.S. House of Representatives (12 years)
431922RepublicanArkansasFormer member of the U.S. House of Representatives (9 years)
441923RepublicanPennsylvaniaFormer member of the U.S. House of Representatives (6 years)
451924RepublicanNorth DakotaFormer governor
461925RepublicanFloridaFlorida 4th in population (2000)
471926RepublicanWisconsinWisconsin 18th in population (2000)
481927RepublicanKentuckyKentucky 25th in population (2000)
491928DemocraticConnecticutConnecticut 29th in population (2000)
501929RepublicanUtahUtah 34th in population (2000)
511932DemocraticHawaiiDecember 27, 2012 
521933RepublicanSouth CarolinaJanuary 2, 2013
531934DemocraticWisconsinJanuary 3, 2013Former member of the U.S. House of Representatives (14 years)
541937DemocraticConnecticutFormer member of the U.S. House of Representatives (6 years); Connecticut 29th in population (2010)
551938DemocraticHawaiiFormer member of the U.S. House of Representatives (6 years); Hawaii 42nd in population (2010)
561939DemocraticNew MexicoFormer member of the U.S. House of Representatives (4 years)
571940IndependentMaineFormer governor (8 years)
581941DemocraticVirginiaFormer governor (4 years)
591942RepublicanTexasTexas 2nd in population (2010)
601943DemocraticMassachusettsMassachusetts 15th in population (2010)
611944RepublicanNebraskaNebraska 38th in population (2010)
621948DemocraticMassachusettsJuly 16, 2013
631949DemocraticNew JerseyOctober 31, 2013 
641951RepublicanWest VirginiaJanuary 3, 2015Former member of the U.S. House of Representatives (14 years)
651952DemocraticMichiganFormer member of the U.S. House of Representatives (6 years); Michigan 9th in population (2010)
661953RepublicanLouisianaFormer member of the U.S. House of Representatives (6 years); Louisiana 25th in population (2010)
671955RepublicanOklahomaFormer member of the U.S. House of Representatives (4 years)
681956RepublicanArkansasFormer member of the U.S. House of Representatives (2 years); Arkansas 32nd in population (2010)
691957RepublicanMontanaFormer member of the U.S. House of Representatives (2 years); Montana 44th in population (2010)
701958RepublicanSouth DakotaFormer governor
711960RepublicanNorth CarolinaNorth Carolina 10th in population (2010)
721961RepublicanIowaIowa 30th in population (2010)
731962RepublicanNebraskaNebraska 38th in population (2010)
741963RepublicanAlaskaAlaska 47th in population (2010)
751964DemocraticMarylandJanuary 3, 2017Former member of the U.S. House of Representatives (14 years)
761965RepublicanIndianaFormer member of the U.S. House of Representatives (6 years)
771966DemocraticIllinoisFormer member of the U.S. House of Representatives (4 years)
781967DemocraticNew HampshireFormer governor
791968[11] DemocraticCaliforniaCalifornia 1st in population (2010)
801969RepublicanLouisianaLouisiana 25th in population (2010)
811970DemocraticNevadaNevada 35th in population (2010)
821972DemocraticMinnesotaJanuary 3, 2018 
831974RepublicanMississippiApril 2, 2018 
841975RepublicanTennesseeJanuary 3, 2019Former member of the U.S. House of Representatives (16 years)
851976DemocraticArizonaFormer member of the U.S. House of Representatives (6 years); Arizona 16th in population (2010)
861977RepublicanNorth DakotaFormer member of the U.S. House of Representatives (6 years); North Dakota 48th in population (2010)
871979DemocraticNevadaFormer member of the U.S. House of Representatives (2 years)
881980RepublicanUtahFormer governor
891981RepublicanIndianaIndiana 15th in population (2010)
901982RepublicanMissouriMissouri 18th in population (2010)
911983RepublicanFloridaJanuary 8, 2019
921984[12] RepublicanGeorgiaJanuary 6, 2020 
931985DemocraticArizonaDecember 2, 2020 
941986DemocraticNew MexicoJanuary 3, 2021Former member of the U.S. House of Representatives (12 years)
951987RepublicanWyomingFormer member of the U.S. House of Representatives (8 years)
961988RepublicanKansasFormer member of the U.S. House of Representatives (4 years)
971989DemocraticColoradoFormer governor
981990RepublicanTennesseeTennessee 17th in population (2010)
991991RepublicanAlabamaAlabama 23rd in population (2010)
1001992DemocraticCaliforniaJanuary 20, 2021California 1st in population (2010)
1011993[13] DemocraticGeorgiaGeorgia 9th in population (2010); 'O' 15th letter of the alphabet
1021994DemocraticGeorgiaGeorgia 9th in population (2010); 'W' 23rd letter of the alphabet

See also

External links

Notes and References

  1. https://www.senate.gov/artandhistory/history/resources/pdf/chronlist.pdf A Chronological List of United States Senators 1789–Present
  2. http://www2.census.gov/prod2/statcomp/documents/1971-02.pdf 1971 U.S Census Report
  3. http://www2.census.gov/prod2/statcomp/documents/1981-02.pdf 1981 U.S Census Report
  4. http://www2.census.gov/prod2/statcomp/documents/1991-01.pdf 1991 U.S Census Report
  5. Web site: 2000 Census State Population Rankings . 2019-01-03 . https://archive.today/20200212040040/http://factfinder.census.gov/servlet/GCTTable?_bm=n&_lang=en&mt_name=DEC_2000_SF1_U_GCTPH1R_US9S&format=US-9S&_box_head_nbr=GCT-PH1-R&ds_name=DEC_2000_SF1_U&geo_id=01000US . 2020-02-12 . dead .
  6. Terms of service of senators that expire in 2023.
  7. Terms of service of senators that will expire in 2025.
  8. Terms of service of senators that will expire in 2027.
  9. Cantwell is the Senate's most senior junior senator.
  10. Although Sanders was a candidate for the 2016 Democratic presidential nomination, and votes with the Democrats for organizational purposes, he has been elected and classified as an Independent throughout his time in Congress.
  11. In California, Kamala Harris (D) resigned January 18, 2021. She was replaced by Alex Padilla (D), who was appointed by Governor Gavin Newsom.
  12. In Georgia, Kelly Loeffler (R) was replaced by Raphael Warnock (D), who won the Jan. 5, 2021 special election runoff to complete Johnny Isakson's term.
  13. Ossoff is the Senate's most junior senior senator.

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