User:JimmB/sandbox/Senate Classes table

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Senate Classes table

2006

This is a work in progress, summarizing the Classes in the US Senate

	Class 1 (Elected 2006) next election 2012			Class 2 (Elected 2002) next election 2008			Class 3 (Elected 2004) next election 2010			2004 Pres
	Senator	% Vote	First Elected	Senator	% Vote	First Elected	Senator	% Vote	First Elected	Bush/ Kerry
Alabama				Jeff Sessions	69	1996	Richard Shelby	68	1986	63/37
Alaska				Ted Stevens	79	1968(A)	Lisa Murkowski	49	2002(A)	61/36
Arizona	Jon Kyl	53	1994				John McCain	77	1986	55/44
Arkansas				Mark Pryor	54	2002	Blanche Lincoln	56	1998	54/45
California	Dianne Feinstein	59	1992(A)				Barbara Boxer	58	1992	45/54
Colorado				Wayne Allard(R)	51	1996	Ken Salazar	51	2004	52/47
Connecticut	Joseph Lieberman	50	1988				Christopher Dodd	66	1980	44/54
Delaware	Thomas R. Carper	70	2000	Joe Biden	58	1972				46/53
Florida	Bill Nelson	60	2000				Mel Martinez	50	2004	52/47
Georgia				Saxby Chambliss	53	2002	Johnny Isakson	58	2004	58/41
Hawaii	Daniel Akaka	61	1990(A)				Daniel Inouye	76	1962	45/54
Idaho				Larry Craig	65	1990	Mike Crapo	99	1998	69/30
Illinois				Richard Durbin	60	1996	Barack Obama	70	2004	44/55
Indiana	Richard Lugar	87	1976				Evan Bayh	62	1998	60/39
Iowa				Tom Harkin	54	1984	Chuck Grassley	70	1980	50/49
Kansas				Pat Roberts	83	1996	Sam Brownback	69	1996(S)	62/37
Kentucky				Mitch McConnell	64	1984	Jim Bunning	51	1998	60/40
Louisiana				Mary Landrieu	46	1996	David Vitter	51	2004	57/42
Maine	Olympia Snowe	74	1994	Susan Collins	59	1996				45/54
Maryland	Ben Cardin	54	2006				Barbara Mikulski	65	1986	43/56
Massachusetts	Edward M. Kennedy	69	1962(S)	John Kerry	81	1984				37/62
Michigan	Debbie Stabenow	57	2000	Carl Levin	61	1978				48/51
Minnesota	Amy Klobuchar	58	2006	Norm Coleman	50	2002				48/51
Mississippi	~~Trent Lott~~ Roger Wicker^[1]	64	~~1988~~ 2007(A)	Thad Cochran	61	1978				60/40
Missouri	Claire McCaskill	50	2006				Kit Bond	56	1986	53/46
Montana	John Tester	49	2006	Max Baucus	63	1978				59/39
Nebraska	Ben Nelson	64	2000	Chuck Hagel(R)	83	1996				66/33
Nevada	John Ensign	55	2000				Harry Reid	61	1986	48/51
New Hampshire				John E. Sununu	51	2002	Judd Gregg	66	1992	49/50
New Jersey	Robert Menendez	53	2006(A)	Frank Lautenberg	54	2002				46/53
New Mexico	Jeff Bingaman	71	1982	Pete Domenici(R)	65	1972				50/49
New York	Hilary Clinton	67	2000				Chuck Schumer	71	1998	40/59
North Carolina				Elizabeth Dole	54	2002	Richard Burr	52	2004	56/44
North Dakota	Kent Conrad	69	1986				Byron Dorgan	68	1986	63/36
Ohio	Sherrod Brown	56	2006				George Voinovich	64	1998	51/49
Oklahoma				James Inhofe	57	1994(S)	Tom Coburn	53	2004	66/34
Oregon				Gordon Smith	56	1996	Ron Wyden	63	1996(S)	48/52
Pennsylvania	Bob Casey, Jr.	59	2006				Arlen Specter	53	1980	49/51
Rhode Island	Sheldon Whitehouse	53	2006	Jack Reed	78	1996				39/60
South Carolina				Lindsey Graham	54	2002	James DeMint	54	2004	58/41
South Dakota				Tim Johnson	50	1996	John Thune	51	2004	60/39
Tennessee	Bob Corker	51	2006	Lamar Alexander	54	2002				57/43
Texas	Kay Bailey Hutchison (R)	62	1993(S)	John Cornyn	55	2002				61/38
Utah	Orrin Hatch	62	1976				Bob Bennett	69	1992	72/26
Vermont	Bernie Sanders	65	2006				Patrick Leahy	71	1974	39/59
Virginia	James Webb	50	2006	John Warner(R)	84	1978				54/46
Washington	Maria Cantwell	57	2000				Patty Murray	55	1992	46/53
West Virginia	Robert Byrd	64	1958	Jay Rockefeller	63	1984				56/43
Wisconsin	Herb Kohl	67	1988				Russ Feingold	56	1992	49/50
Wyoming	~~Craig L. Thomas~~ John Barrasso^[2]	70	~~1994~~ 2007(A)	Mike Enzi	73	1996				69/29

TOTALS
REPUBLICANS	9	-6		21	+1+1*		19	+6-2	49
DEMOCRATS	22	+6-1		12	-1-1*		15	+2-6	49
Independent/Dem	2	+1		0			0		2

PRIOR CYCLE
REPUBLICANS	15			20			15		50
DEMOCRATS	17			13			19		49
Independent/Dem	1			0			0		1

Key: (A)appointed to fill unexpired term (S)special election to fill unexpired term (R)announced retirement at end of current term

2008

This is a work in progress, summarizing the Classes in the US Senate

	Class 1 (elected 2006) next election 2012			Class 2 (elected 2008) next election 2014			Class 3 (elected 2004) next election 2010			2004 Pres	2008 Pres
	Senator	% Vote	First Elected	Senator	% Vote	First Elected	Senator	% Vote	First Elected	Bush/ Kerry	Obama/ McCain
Alabama				Jeff Sessions	64	1996	Richard Shelby	68	1986	63/37	39/61
Alaska				Mark Begich	48	2008	Lisa Murkowski	49	2002(A)	61/36	38/60
Arizona	Jon Kyl	53	1994				John McCain	77	1986	55/44	45/54
Arkansas				Mark Pryor	80	2002	Blanche Lincoln	56	1998	55/44	39/59
California	Dianne Feinstein	59	1992(A) (2023)^[a]				Barbara Boxer	58	1992	45/54	61/37
Colorado				Mark Udall	51	2008	~~Ken Salazar~~ Michael Bennet^[3]	51	~~2004~~ 2009(A)	52/47	54/45
Connecticut	Joseph Lieberman	50	1988				Christopher Dodd	66	1980	44/54	61/38
Delaware	Thomas R. Carper	70	2000	~~Joe Biden~~ Ted Kaufman^[4]	65	~~1972~~ 2009(A)				46/53	62/37
Florida	Bill Nelson	60	2000				Mel Martinez	50	2004	52/47	51/48
Georgia				Saxby Chambliss	57	2002	Johnny Isakson	58	2004	58/41	47/52
Hawaii	Daniel Akaka	61	1990(A)				Daniel Inouye	76	1962	45/54	72/27
Idaho				Jim Risch	58	2008	Mike Crapo	99	1998	69/30	36/61
Illinois				Richard Durbin	68	1996	Barack Obama	70	2004	44/55	62/37
Indiana	Richard Lugar	87	1976				Evan Bayh	62	1998	60/39	50/49
Iowa				Tom Harkin	63	1984	Chuck Grassley	70	1980	50/49	54/45
Kansas				Pat Roberts	60	1996	Sam Brownback	69	1996(S)	62/37	42/57
Kentucky				Mitch McConnell	53	1984	Jim Bunning	51	1998	60/40	41/58
Louisiana				Mary Landrieu	52	1996	David Vitter	51	2004	57/42	40/59
Maine	Olympia Snowe	74	1994	Susan Collins	61	1996				45/54	58/40
Maryland	Ben Cardin	54	2006				Barbara Mikulski	65	1986	43/56	62/37
Massachusetts	~~Edward M. Kennedy~~ ~~Paul Kirk Jr.~~ Scott Brown^[5]	69 52	~~1962(S)~~ ~~2009(A)~~ 2010(S)	John Kerry	66	1984				37/62	62/36
Michigan	Debbie Stabenow	57	2000	Carl Levin	63	1978				48/51	57/41
Minnesota	Amy Klobuchar	58	2006	Al Franken	42	2008				48/51	54/44
Mississippi	Roger Wicker (R)	64	2007(A)	Thad Cochran	61	1978				60/40	43/56
Missouri	Claire McCaskill	50	2006				Kit Bond	56	1986	53/46	49/50
Montana	John Tester	49	2006	Max Baucus	73	1978				59/39	47/50
Nebraska	Ben Nelson	64	2000	Mike Johanns	83	2008				66/33	42/57
Nevada	John Ensign	55	2000				Harry Reid	61	1986	48/51	55/43
New Hampshire				Jeanne Shaheen	52	2008	Judd Gregg	66	1992	49/50	54/45
New Jersey	Robert Menendez	53	2006(A)	Frank Lautenberg	56	2002				46/53	57/42
New Mexico	Jeff Bingaman	71	1982	Tom Udall	61	2008				50/49	57/42
New York	~~Hilary Clinton~~ Kristen Gillibrand^[6]	67	~~2000~~ 2009(A)				Chuck Schumer	71	1998	40/59	63/36
North Carolina				Kay Hagan	53	2008	Richard Burr	52	2004	56/44	50/49
North Dakota	Kent Conrad	69	1986				Byron Dorgan	68	1986	63/36	45/52
Ohio	Sherrod Brown	56	2006				George Voinovich	64	1998	51/49	52/47
Oklahoma				James Inhofe	57	1994(S)	Tom Coburn	53	2004	66/34	34/66
Oregon				Jeff Merkley	49	2008	Ron Wyden	63	1996(S)	48/52	57/41
Pennsylvania	Bob Casey, Jr.	59	2006				Arlen Specter	53	1980	49/51	55/44
Rhode Island	Sheldon Whitehouse	53	2006	Jack Reed	73	1996				39/60	63/35
South Carolina				Lindsey Graham	58	2002	James DeMint	54	2004	58/41	45/54
South Dakota				Tim Johnson	63	1996	John Thune	51	2004	60/39	45/53
Tennessee	Bob Corker	51	2006	Lamar Alexander	65	2002				57/43	42/57
Texas	Kay Bailey Hutchison (R)	62	1993(S)	John Cornyn	55	2002				61/38	44/55
Utah	Orrin Hatch	62	1976				Bob Bennett	69	1992	72/26	34/63
Vermont	Bernie Sanders	65	2006				Patrick Leahy	71	1974	39/59	68/31
Virginia	James Webb	50	2006	Mark Warner	65	2008				54/46	53/47
Washington	Maria Cantwell	57	2000				Patty Murray	55	1992	46/53	58/41
West Virginia	Robert Byrd	64	1958	Jay Rockefeller	64	1984				56/43	43/56
Wisconsin	Herb Kohl	67	1988				Russ Feingold	56	1992	49/50	56/43
Wyoming	John Barrasso	73	2007(A)	Mike Enzi	76	1996				69/29	33/65

TOTALS
REPUBLICANS	9	-6	+1^[5]	13	-8		19	+6-2	41
DEMOCRATS	22	+6-1	-1^[5]	20	+8		15	+2-6	57
Independent/Dem	2	+1		0			0		2

PRIOR CYCLE
REPUBLICANS	15			21			15		50
DEMOCRATS	17			12			19		49
Independent/Dem	1			0			0		1

Key: (A)appointed to fill unexpired term (S)special election to fill unexpired term (R)announced retirement at end of current term

2010

This is a work in progress, summarizing the Classes in the US Senate

	Class 1 (elected 2006) next election 2012			Class 2 (elected 2008) next election 2014			Class 3 (elected 2010) next election 2016			2004 Pres	2008 Pres
	Senator	% Vote	First Elected	Senator	% Vote	First Elected	Senator	% Vote	First Elected	Bush/ Kerry	Obama/ McCain
Alabama				Jeff Sessions	64	1996	Richard Shelby	65	1986	63/37	39/61
Alaska				Mark Begich	48	2008	Lisa Murkowski	39	2002(A)	61/36	38/60
Arizona	Jon Kyl	53	1994				John McCain	59	1986	55/44	45/54
Arkansas				Mark Pryor	80	2002	John Boozman	58	2010	55/44	39/59
California	Dianne Feinstein	59	1992(A)				Barbara Boxer	58	1992	45/54	61/37
Colorado				Mark Udall	51	2008	Michael Bennet	48	2009 (A)	52/47	54/45
Connecticut	Joseph Lieberman	50	1988				Richard Blumenthal	55	2010	44/54	61/38
Delaware	Thomas R. Carper	70	2000	Chris Coons	57	2010(S)				46/53	62/37
Florida	Bill Nelson	60	2000				Marco Rubio	49	2010	52/47	51/48
Georgia				Saxby Chambliss	57	2002	Johnny Isakson	58	2004	58/41	47/52
Hawaii	Daniel Akaka	61	1990(A)				Daniel Inouye	75	1962	45/54	72/27
Idaho				Jim Risch	58	2008	Mike Crapo	71	1998	69/30	36/61
Illinois				Richard Durbin	68	1996	Mark Kirk	48	2010	44/55	62/37
Indiana	Richard Lugar	87	1976				Dan Coats	56	2010	60/39	50/49
Iowa				Tom Harkin	63	1984	Chuck Grassley	65	1980	50/49	54/45
Kansas				Pat Roberts	60	1996	Jerry Moran	70	2010	62/37	42/57
Kentucky				Mitch McConnell	53	1984	Rand Paul	56	1998	60/40	41/58
Louisiana				Mary Landrieu	52	1996	David Vitter	57	2004	57/42	40/59
Maine	Olympia Snowe	74	1994	Susan Collins	61	1996				45/54	58/40
Maryland	Ben Cardin	54	2006				Barbara Mikulski	62	1986	43/56	62/37
Massachusetts	Scott Brown(2010)	52	2010(S)	John Kerry	66	1984				37/62	62/36
Michigan	Debbie Stabenow	57	2000	Carl Levin	63	1978				48/51	57/41
Minnesota	Amy Klobuchar	58	2006	Al Franken	42	2008				48/51	54/44
Mississippi	Roger Wicker	64	2007(A)	Thad Cochran	55	1978				60/40	43/56
Missouri	Claire McCaskill	50	2006				Roy Blunt	56	2010	53/46	49/50
Montana	John Tester	49	2006	Max Baucus	73	1978				59/39	47/50
Nebraska	Ben Nelson	64	2000	Mike Johanns	83	2008				66/33	42/57
Nevada	~~John Ensign~~ Dean Heller	55	~~2000~~ 2011(A)				Harry Reid	50	1986	48/51	55/43
New Hampshire				Jeanne Shaheen	52	2008	Kelly Ayotte	60	2010	49/50	54/45
New Jersey	Robert Menendez	53	2006(A)	Frank Lautenberg	56	2002				46/53	57/42
New Mexico	Jeff Bingaman	71	1982	Tom Udall	61	2008				50/49	57/42
New York	Kristen Gillibrand	63(S)	2009(A)				Chuck Schumer	65	1998	40/59	63/36
North Carolina				Kay Hagan	53	2008	Richard Burr	55	2004	56/44	50/49
North Dakota	Kent Conrad	69	1986				John Hoeven	76	2010	63/36	45/53
Ohio	Sherrod Brown	56	2006				Rob Portman	57	2010	51/49	52/47
Oklahoma				James Inhofe	57	1994(S)	Tom Coburn	71	2004	66/34	34/66
Oregon				Jeff Merkley	49	2008	Ron Wyden	57	1996(S)	48/52	57/41
Pennsylvania	Bob Casey, Jr.	59	2006				Pat Toomey	53	2010	49/51	55/44
Rhode Island	Sheldon Whitehouse	53	2006	Jack Reed	73	1996				39/60	63/35
South Carolina				Lindsey Graham	58	2002	James DeMint	62	2004	58/41	45/54
South Dakota				Tim Johnson	63	1996	John Thune	100	2004	60/39	45/53
Tennessee	Bob Corker	51	2006	Lamar Alexander	65	2002				57/43	42/57
Texas	Kay Bailey Hutchison (R)	62	1993(S)	John Cornyn	55	2002				61/38	44/55
Utah	Orrin Hatch	62	1976				Mike Lee	62	2010	72/26	34/63
Vermont	Bernie Sanders	65	2006				Patrick Leahy	64	1974	39/59	68/31
Virginia	James Webb	50	2006	Mark Warner	65	2008				54/46	53/47
Washington	Maria Cantwell	57	2000				Patty Murray	52	1992	46/53	58/41
West Virginia	~~Robert Byrd~~ ~~Carte Goodwin~~ Joe Manchin^[7]	64 54	~~1958~~ ~~2010(A)~~ 2010(S)	Jay Rockefeller	64	1984				56/43	43/56
Wisconsin	Herb Kohl	67	1988				Ron Johnson	52	2010	49/50	56/43
Wyoming	John Barrasso	73	2007(A)	Mike Enzi	76	1996				69/29	33/65

TOTALS
REPUBLICANS	9+1	-6+1		13	-8		24	+5+1	46
DEMOCRATS	22-1	+6-1-1		20	+8		10	-5-1	52
Independent/Dem	2	+1		0			0		2

PRIOR CYCLE
REPUBLICANS	15			21			19		50
DEMOCRATS	17			12			15		49
Independent/Dem	1			0			0		1

Key: (A)appointed to fill unexpired term (S)special election to fill unexpired term (R)announced retirement at end of current term

2012

This is a work in progress, summarizing the Classes in the US Senate

	Class 1 (elected 2012) next election 2018			Class 2 (elected 2008) next election 2014			Class 3 (elected 2010) next election 2016			2004 Pres^[8]	2008 Pres^[9]	2012 Pres^[10]
	Senator	%^[11] Vote	First Elected	Senator	%^[12] Vote	First Elected	Senator	%^[13] Vote	First Elected	Bush/ Kerry	Obama/ McCain	Obama/ Romney
Alabama				Jeff Sessions	64	1996	Richard Shelby	65	1986	63/37	39/61	38/61
Alaska				Mark Begich	48	2008	Lisa Murkowski	39	2002(A)	61/36	38/60	41/55
Arizona	Jeff Flake	49	2012				John McCain	59	1986	55/44	45/54	45/54
Arkansas				Mark Pryor	80	2002	John Boozman	58	2010	55/44	39/59	37/61
California	Dianne Feinstein	63	1992(A)				Barbara Boxer	58	1992	45/54	61/37	60/37
Colorado				Mark Udall	51	2008	Michael Bennet	48	2009 (A)	52/47	54/45	51/46
Connecticut	Chris Murphy	55	2012				Richard Blumenthal	55	2010	44/54	61/38	59/41
Delaware	Thomas R. Carper	66	2000	Chris Coons	57	2010(S)				46/53	62/37	59/40
Florida	Bill Nelson	55	2000				Marco Rubio	49	2010	52/47	51/48	50/49
Georgia				Saxby Chambliss(R)	57	2002	Johnny Isakson	58	2004	58/41	47/52	45/53
Hawaii	Mazie Hirono	63	2012				~~Daniel Inouye~~ Brian Schatz^[14]	75	~~1962~~ 2012(A)	45/54	72/27	71/28
Idaho				Jim Risch	58	2008	Mike Crapo	71	1998	69/30	36/61	33/65
Illinois				Richard Durbin	68	1996	Mark Kirk	48	2010	44/55	62/37	58/41
Indiana	Joe Donnelly	50	2012				Dan Coats	56	2010	60/39	50/49	44/54
Iowa				Tom Harkin(R)	63	1984	Chuck Grassley	65	1980	50/49	54/45	52/46
Kansas				Pat Roberts	60	1996	Jerry Moran	70	2010	62/37	42/57	38/60
Kentucky				Mitch McConnell	53	1984	Rand Paul	56	1998	60/40	41/58	38/60
Louisiana				Mary Landrieu	52	1996	David Vitter	57	2004	57/42	40/59	41/58
Maine	Angus King	53	2012	Susan Collins	61	1996				45/54	58/40	56/41
Maryland	Ben Cardin	56	2006				Barbara Mikulski	62	1986	43/56	62/37	62/36
Massachusetts	Elizabeth Warren(2010)	54	2012	~~John Kerry~~ ~~Mo Cowan~~ Ed Markey^[15]	66 55	~~1984~~ ~~2013~~(A) 2013(S)				37/62	62/36	61/38
Michigan	Debbie Stabenow	59	2000	Carl Levin(R)	63	1978				48/51	57/41	54/45
Minnesota	Amy Klobuchar	65	2006	Al Franken	42	2008				48/51	54/44	53/45
Mississippi	Roger Wicker (R)	57	2007 (A)	Thad Cochran	61	1978				60/40	43/56	44/55
Missouri	Claire McCaskill	55	2006				Roy Blunt	56	2010	53/46	49/50	44/54
Montana	John Tester	49	2006	Max Baucus(R)	73	1978				59/39	47/50	42/55
Nebraska	Deb Fischer	58	2012	Mike Johanns	83	2008				66/33	42/57	38/60
Nevada	Dean Heller	46	2011(A)				Harry Reid	50	1986	48/51	55/43	52/46
New Hampshire				Jeanne Shaheen		2008	Kelly Ayotte	60	2010	49/50	54/45	52/46
New Jersey	Robert Menendez	59	2006(A)	~~Frank Lautenberg~~ ~~Jeffrey Chiesa~~^[16] Corey Booker^[17]	56	~~2008~~ ~~2013(A)~~ 2013				46/53	57/42	58/41
New Mexico	Martin Heinrich	51	2012	Tom Udall	61	2008				50/49	57/42	53/43
New York	Kristen Gillibrand	72	2009(A)				Chuck Schumer	65	1998	40/59	63/36	63/35
North Carolina				Kay Hagan	53	2008	Richard Burr	55	2004	56/44	50/49	48/50
North Dakota	Heidi Heitkamp	50	2012				John Hoeven	76	2010	63/36	45/53	39/58
Ohio	Sherrod Brown	51	2006				Rob Portman	57	2010	51/49	52/47	51/48
Oklahoma				James Inhofe	57	1994(S)	Tom Coburn	71	2004	66/34	34/66	33/67
Oregon				Jeff Merkley	49	2008	Ron Wyden	57	1996(S)	48/52	57/41	54/42
Pennsylvania	Bob Casey, Jr.	54	2006				Pat Toomey	53	2010	49/51	55/44	52/47
Rhode Island	Sheldon Whitehouse	65	2006	Jack Reed	73	1996				39/60	63/35	63/35
South Carolina				Lindsey Graham	58	2002	~~Jim Demint~~ Tim Scott^[18]	62	~~2004~~ 2012(A)	58/41	45/54	44/55
South Dakota				Tim Johnson(R)	63	1996	John Thune	100	2004	60/39	45/53	40/58
Tennessee	Bob Corker	65	2006	Lamar Alexander	65	2002				57/43	42/57	39/59
Texas	Ted Cruz	57	2012	John Cornyn	55	2002				61/38	44/55	41/57
Utah	Orrin Hatch	65	1976				Mike Lee	62	2010	72/26	34/63	25/73
Vermont	Bernie Sanders	71	2006				Patrick Leahy	64	1974	39/59	68/31	67/31
Virginia	Tim Kaine	53	2012	Mark Warner	65	2008				54/46	53/47	51/47
Washington	Maria Cantwell	61	2000				Patty Murray	52	1992	46/53	58/41	56/41
West Virginia	Joe Manchin	60	2010(S)	Jay Rockefeller(R)^[19]	64	1984				56/43	43/56	36/62
Wisconsin	Tammy Baldwin	51	2012				Ron Johnson	52	2010	49/50	56/43	53/46
Wyoming	John Barrasso	76	2007(A)	Mike Enzi	76	1996				69/29	33/65	28/69

TOTALS Party	Prior to this election	Changes this election	Changes SINCE this election	Prior to this election	Changes this election	Changes SINCE this election	Prior to this election	Changes this election	Changes SINCE this election
Democrats	21	+3-1		12	+8	-1^[16]+1^[17]	16	-6		53
Republicans	10	-3+1		21	-8	+1^[16]-1^[17]	18	+6		45
Independent/Dem	2	+1-1		0			0			2

PRIOR CYCLE
Democrats	17			12			15			49
Republicans	15			21			19			50
Independent/Dem	1			0			0			1

Key

(A)appointed to fill unexpired term

(S)special election to fill unexpired term

(R)announced retirement at end of current term.

Color Key

	Democratic
	Democratic pickup
	Republican
	Republican pickup
	Independent(caucuses with D)
	Independent(D) pickup

2022

This is a work in progress, summarizing the Classes in the US Senate

	Class 1 (elected 2018) next election 2024			Class 2 (elected 2020) next election 2026			Class 3 (elected 2022) next election 2028			2004 Pres^[8]	2008 Pres^[9]	2012 Pres^[10]	2016 Pres	2020 Pres
	Senator	%^[11] Vote	First Elected	Senator	%^[12] Vote	First Elected	Senator	%^[13] Vote	First Elected	Bush/ Kerry	Obama/ McCain	Obama/ Romney	Trump/ Clinton	Biden/ Trump
AL				Tommy Tuberville	60.1	2020	Katie Britt	66.6	2020	63/37	39/61	38/61
AK				Dan Sullivan	54.3	2014	Lisa Murkowski	53.7	2002^(A)	61/36	38/60	41/55
AZ	Krysten Sinema^(R)^[b]	50.0	2018				Mark Kelly	51.4	2020^(S)	55/44	45/54	45/54
AR				Tom Cotton	66.6	2014	John Boozman	65.7	2010	55/44	39/59	37/61
CA	~~Dianne Feinstein~~ Laphonza Butler^(R)^[c]	~~54.2~~ A	~~1992~~^(A) 2023^(A)				Alex Padilla^[d]	61.1	2021^(A)	45/54	61/37	60/37
CO				John Hickenlooper	53.5	2020	Michael Bennet	55.9	2009 (A)	52/47	54/45	51/46
CT	Chris Murphy	59.5	2012				Richard Blumenthal	57.5	2010	44/54	61/38	59/41
DE	Thomas R. Carper	60.0	2000	Chris Coons	59.4	2010(S)				46/53	62/37	59/40
FL	Rick Scott	50.1	2018				Marco Rubio	57.7	2010	52/47	51/48	50/49
GA				John Ossoff	50.6	2020	Raphael Warnock	51.4	2020^(S)	58/41	47/52	45/53
HI	Mazie Hirono	71.2	2012				Brian Schatz^[20]	71.2	2012^(A)	45/54	72/27	71/28
ID				Jim Risch	62.6	2008	Mike Crapo	60.7	1998	69/30	36/61	33/65
IL				Richard Durbin	54.6	1996	Tammy Duckworth	56.8	2016	44/55	62/37	58/41
IN	Mike Braun	50.7	2018				Todd Young	58.6	2016	60/39	50/49	44/54
IA				Joni Ernst	51.8	2014	Chuck Grassley	56.0	1980	50/49	54/45	52/46
KS				Roger Marshall	53.5	2020	Jerry Moran	60.0	2010	62/37	42/57	38/60
KY				Mitch McConnell	57.8	1984	Rand Paul	61.8	1998	60/40	41/58	38/60
LA				Bill Cassidy	59.3	2014	John Kennedy	61.6	2016	57/42	40/59	41/58
ME	Angus King	54.3	2012	Susan Collins	51.0	1996				45/54	58/40	56/41
MD	Ben Cardin	64.9	2006				Chris Van Hollen	65.8	2016	43/56	62/37	62/36
MA	Elizabeth Warren	60.3	2012	Ed Markey^[21]	65.8	2013^(S)				37/62	62/36	61/38
MI	Debbie Stabenow^(R)	52.3	2000	Gary Peters	49.9	2014				48/51	57/41	54/45
MN	Amy Klobuchar	60.3	2006	Tina Smith	48.8	2018^(S)				48/51	54/44	53/45
MS	Roger Wicker	58.5	2007 (A)	Cindy Hyde-Smith	53.6	2018^(S)				60/40	43/56	44/55
MO	Josh Hawley	51.4	2018				Eric Schmitt	55.4	2022	53/46	49/50	44/54
MT	John Tester	50.3	2006	Steve Daines	55.0	2014				59/39	47/50	42/55
NE	Deb Fischer	57.7	2012	Ben Sasse	64.7	2008				66/33	42/57	38/60
NV	Jacky Rosen	50.4	2018				Catherine Cortez Masto	48.8	2016	48/51	55/43	52/46
NH				Jeanne Shaheen	56.7	2008	Maggie Hassan	53,5	2016	49/50	54/45	52/46
NJ	Robert Menendez	54.0	2006(A)	Corey Booker	56.9	2013^(S)				46/53	57/42	58/41
NM	Martin Heinrich	54.1	2012	Ben Ray Lujan	51.7	2020				50/49	57/42	53/43
NY	Kristen Gillibrand	67.0	2009^(A)				Chuck Schumer	56.8	1998	40/59	63/36	63/35
NC				Thom Tillis	48.7	2014	Ted Budd	50.5	2004	56/44	50/49	48/50
ND	Kevin Cramer	55.4	2018				John Hoeven	56.4	2010	63/36	45/53	39/58
OH	Sherrod Brown	53.4	2006				JD Vance	53.0	2022	51/49	52/47	51/48
OK				~~James Inhofe~~ Markwayne Mullin	~~62.9~~ 61.8	~~1994(S)~~ 2022^(S)	James Lankford	67.7	2004	66/34	34/66	33/67
OR				Jeff Merkley	57.0	2008	Ron Wyden	55.8	1996^(S)	48/52	57/41	54/42
PA	Bob Casey, Jr.	55.7	2006				John Fetterman	51.2	2022	49/51	55/44	52/47
RI	Sheldon Whitehouse	61.5	2006	Jack Reed	66.5	1996				39/60	63/35	63/35
SC				Lindsey Graham	54.5	2002	Tim Scott	62.9	2012^(A)	58/41	45/54	44/55
SD				Mike Rounds	65.7	2014	John Thune	69.6	2004	60/39	45/53	40/58
TN	Marsha Blackburn	54.7	2018	Bill Hagerty	62.1	2020				57/43	42/57	39/59
TX	Ted Cruz	50.9	2012	John Cornyn	53.6	2002				61/38	44/55	41/57
UT	Mitt Romney	62.6	2018				Mike Lee	53.2	2010	72/26	34/63	25/73
VT	Bernie Sanders	67.4	2006				Peter Welch	67.3	2022	39/59	68/31	67/31
VA	Tim Kaine	57.0	2012	Mark Warner	56.0	2008				54/46	53/47	51/47
WA	Maria Cantwell	58.3	2000				Patty Murray	57.2	1992	46/53	58/41	56/41
WV	Joe Manchin^[e]	49.6	2010^(S)	Shelley Moore Capito	70.3	2014				56/43	43/56	36/62
WI	Tammy Baldwin	55.4	2012				Ron Johnson	50.4	2010	49/50	56/43	53/46
WY	John Barrasso	67.0	2007(A)	Cynthia Lummis	73.1	2020				69/29	33/65	28/69

TOTALS Party	Prior to this election	Changes this election	Changes SINCE this election	Prior to this election	Changes this election	Changes SINCE this election	Prior to this election	Changes this election	Changes SINCE this election
Dem	23	-4+2	-2	12	+2-1		16	-6		53
Rep	8	+4-2		21	+1-2		18	+6		45
Ind/Dem	2		+2	0			0			2

PRIOR CYCLE
Dem				12			15			49
Rep				21			19			50
Ind/Dem				0			0			1

Key

(A)appointed to fill unexpired term

(S)special election to fill unexpired term

(R)announced retirement at end of current term.

Color Key

	Democratic
	Democratic pickup
	Republican
	Republican pickup
	Independent(caucuses with D)
	Independent(D) pickup

Notes and References

[1]
Roger Wicker was appointed December 31, 2007 to replace Trent Lott, who resigned December 18.
[2]
John Barrasso was appointed June 22, 2007 to replace Craig L. Thomas, who died in office earlier in the month.
[3]
Michael Bennet was appointed January 3, 2009, to replace Ken Salazar who became Secretary of the Interior in the Obama administration.
[4]
Ted Kaufman was appointed in 2009 to replace Joe Biden who was elected Vice President. Kaufman did not stand for reelection in 2010.
[5]
Paul Kirk Jr. was appointed September 24, 2009 to replace Ted Kennedy who died in office. Scott Brown won the special election on January 19, 2010 to fill out the remainder of Kennedy's term, representing a Republican pickup.
[6]
Kristen Gillibrand was appointed January 26, 2009 to replace Hilary Clinton, who became Secretary of State in the Obama administration. Gillibrand subsequently won a special election in November 2010 to complete the remainder of the term.
[7]
In July 16, 2010, Governor Joe Manchin appointed Carte Goodwin to fill the seat of [[Robert Byrd], who died in office. Manchin subsequently won the special election in November 2010 to serve out the remainder of Byrd's term.
[8]
United States presidential election, 2004#Votes by state
[9]
United States presidential election, 2008#Votes by state
[10]
United States presidential election, 2012#Votes by states
[11]
United States Senate elections, 2012#Race summary
[12]
United States Senate elections, 2008#Race summary
[13]
United States Senate elections, 2010#November elections
[14]
Brian Schatz was appointed December 26, 2012 to replace Daniel Inouye, who died in office. Schatz will serve until a special election in November, 2014.
[15]
Mo Cowan was appointed on January 30, 2013 to replace John Kerry, who became Secretary of State in the Obama administration. Ed Markey won a special election June 25, 2013 to fill out the remainder of Kerry's term.
[16]
Jeffrey Chiesa was appointed June 6, 2013 to replace Frank Lautenberg(D) (who died in office), representing a Republican pickup. Chisea did not run in the October 2013 special election.
[17]
Corey Booker won the special election October 16, returning the seat to Democratic hands.
[18]
Tim Scott was appointed in December 17, 2012 to replace Jim Demint(R), who resigned to head the Heritage Foundation.
[19]
On January 11, 2013, Rockefeller announced that he would not seek reelection in 2014.
[20]
Brian Schatz was appointed December 26, 2012 to replace Daniel Inouye, who died in office.
[21]
Ed Markey won a special election June 25, 2013 to fill out the remainder of John Kerry's term when Kerry became Secretary of State in the Obama Administration.

Notes

[a]
Democrat Dianne Feinstein won with 54.2% of the vote in 2018 against a fellow Democrat, but died in office on September 29, 2023.
[b]
Sinema ran as a Democrat and replaced Republican John Kyl, but later changed her affiliation to Independent in December, 2022.
[c]
Appointed to replace Dianne Feinstein who died in office on September 29, 2023.
[d]
Appointed January 20, 2020 to replace Kamala Harris who became Vice President.
[e]
Manchin changed his affiliation from Democrat to Independent in 2024.

2006

2008

2010

2012

2022

Notes

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