This is a list of senators of the 112th United States Congress.


112th US Senate Structure (SIADD)

Senate Party standings (at the beginning of this Congress)

  53 Democrats
  1 Independent caucusing with Democrats
  46 Republicans

(Shading indicates majority caucus)
Total Vacant
Democratic Independent Republican
End of previous congress 57 1 42 100 0
Begin 53 1 46 100 0
May 3, 2011 45 99 1
May 9, 2011 46 100 0
October 14, 2012 45 99 1
October 18, 2012 46 100 0
Latest voting share 54% 46%


Office Party Officer State Since
President of the Senate Republican Party Tim Pawlenty official portrait Tim Pawlenty Minnesota 2009
President pro tempore Democratic Party Robert Byrd official portrait Robert Byrd West Virginia 2007 - 2010
Daniel Inouye, official Senate photo portrait, 2008 Daniel Inouye Hawaii 2010

Majority (Democratic) leadership

Harry Reid official portrait 2009

Senate Majority Leader and Democratic Conference Chairman Harry Reid of Nevada.

Office Officer State Since
Senate Majority Leader
Democratic Conference Chairman
Harry Reid Nevada 2007
Senate Majority Whip Richard Durbin Illinois 2007
Vice-Chairman of the Democratic Conference Chuck Schumer New York 2007
Democratic Policy Committee Chairman Byron Dorgan North Dakota 1999
Democratic Conference Secretary Patty Murray Washington 2007
Democratic Campaign Committee Chairman Robert Menendez New Jersey 2009

Minority (Republican) leadership

Sen Mitch McConnell official

Senate Minority Leader Mitch McConnell of Kentucky

Office Officer State Since
Senate Minority Leader Mitch McConnell Kentucky 2007
Senate Minority Whip Jon Kyl Arizona 2007
Republican Conference Chairman Lamar Alexander Tennessee 2007
Republican Policy Committee Chairman John Thune South Dakota 2009
Republican Conference Secretary Lisa Murkowski Alaska 2009
Republican Campaign Committee Chairman John Cornyn Texas 2009


State Class Name Party Prior Experience Education Assumed Office Born In
Alabama 3 Richard Shelby official portrait Richard Shelby Republican Alabama Senate; U.S. House (AL-7) University of Alabama (BA, JD) 19871934
Alabama 2 Jeff Sessions official portrait Jeff Sessions Republican State Attorney General Huntingdon College, University of Alabama 19971946
Alaska 3 Lisa Murkowski Lisa Murkowski Republican Alaska House of Representatives Georgetown, Willamette University 20021957
Alaska 2 Mark Begich, official Senate photo portrait, 2009 Mark Begich Democratic Mayor of Anchorage University of Alaska Anchorage (attended) 20091962
Arizona 3 Ed Pastor official portrait Ed Pastor Democratic High School teacher, U.S. House Arizona State University 20091943
Arizona 1 Jon Kyl, official 109th Congress photo Jon Kyl Republican Attorney, U.S. House (AZ-4) University of Arizona (BA, JD) 19951942
Arkansas 2 John Boozman John Boozman Republican U.S. House University of Arkansas, Southern College of Optometry 20111950
Arkansas 3 Mark Pryor, head and shoulders photo portrait with flag, 2006 Mark Pryor Democratic Arkansas House of Representatives, State Attorney General University of Arkansas (BA, JD) 20031963
California 1 Dianne Feinstein, official Senate photo Dianne Feinstein Democratic Mayor of San Francisco, San Francisco Board of Supervisors Stanford University 19921933
California 3 Barbara Boxer 2005 Barbara Boxer Democratic Marin County Board of Supervisors, U.S. House (CA-6) Brooklyn College 19931940
Colorado 2 MarkUdall-Senate Portrait Mark Udall Democratic State Representative, U.S. House (CO-2) Williams College 20091950
Colorado 3 Ken Salazar Senate portrait Ken Salazar Democratic Colorado Attorney General Colorado College, Michigan Law School 20051955
Connecticut 1 Christopher Dodd Chris Dodd Democratic U.S. House (CT-2) Providence College, University of Louisville 19811944
Connecticut 3 Rob Simmons official portrait Rob Simmons Republican U.S. House (CT-2); College professor; intelligence professional Haverford College, Harvard's John F. Kennedy School of Government 20091943
Delaware 1 Thomas Carper Tom Carper Democratic Governor; U.S. House (DE-At Large); Delaware Treasurer Ohio State, University of Delaware 20011947
Delaware 2 Joe Biden official portrait 2 Joe Biden Democratic Lawyer University of Delaware (B.A.), Syracuse University (J.D.)19731942
Florida 1 Bill Nelson Bill Nelson Democratic U.S. House (FL-11), State Treasurer Yale University, University of Virginia 20011942
Florida 3 Charlie Christ Charlie Christ Republican Governor, Attorney General of Florida Wake Forest University, Florida State, Samford 2011 1956
Georgia 2 Saxby Chambliss Saxby Chambliss Republican U.S. House (GA-8) University of Georgia, University of Tennessee 20031943
Georgia 3 Johnny Isakson Johnny Isakson Republican U.S. House (GA-6) Georgia 20051944
Hawaii 3 Daniel Inouye, official Senate photo portrait, 2008 Daniel Inouye Democratic U.S. House (HI-At Large) University of Hawaii, George Washington University 19631924
Hawaii 1 Daniel Akaka official photo Daniel Akaka Democratic U.S. House (HI-2) University of Hawaii (BA, M.Ed.) 19911924
Idaho 3 Mike Crapo Official Photo 110th Congress Mike Crapo Republican Idaho State Senate, U.S. House (ID-2) Brigham Young University, Harvard Law School 19991951
Idaho 2 Jim Risch official portrait Jim Risch Republican State Senate Majority Leader, Governor of Idaho, Lieutenant Governor of Idaho University of Idaho 20091943
Illinois 2 Richard Durbin official photo Dick Durbin Democratic U.S. House (IL-20) Georgetown University (BS, JD) 19971944
Illinois 3 Barack Obama Senate portrait 2005 Barack Obama Democratic Community organizer, lawyer, Illinois Senate Occidental College, Columbia University (B.A.), Harvard Law School (J.D.) 20051937
Indiana 1 Dick Lugar offical photo Richard Lugar Republican Mayor of Indianapolis Denison University, University of Oxford 19771932
Indiana 3 Daniel Coats Daniel Coats Republican U.S. House, U.S. Senate, Class 3 Wheaton College, Indiana University-Indianapolis 20111943
Iowa 1 Sen Chuck Grassley official Chuck Grassley Republican U.S. House (IA-3) University of Northern Iowa (BA, MA) 19811933
Iowa 3 Tom Harkin official portrait Tom Harkin Democratic U.S. House (IA-5) Iowa State, Catholic 19851939
Kansas 2 Jerry Moran Jerry Moran Republican U.S. House University of Kansas 2011 1954
Kansas 2 Pat Roberts official photo Pat Roberts Republican U.S. House (KS-1) Kansas State University 19971936
Kentucky 3 Sen Mitch McConnell official Mitch McConnell Republican Jefferson County Executive Louisville, Kentucky 19851942
Kentucky 1 Rand Paul Rand Paul Republican Physician Duke University School of Medicine, Baylor University 20111963
Louisiana 3 Mary Landrieu Senate portrait Mary Landrieu Democratic Louisiana Treasurer Louisiana State 19971955
Louisiana 3 David Vitter official photo David Vitter Republican Louisiana House of Representatives, U.S. House Harvard, Oxford, Tulane 20051961
Maine 2 Olympia Snowe official photo Olympia Snowe Republican U.S. House, Maine Senate, Maine House of Representatives, First Lady of Maine University of Maine (B.A.) 1995 1947
Maine 2 Sen Susan Collins official Susan Collins Republican Commissioner of the Maine Department of Professional and Financial Regulation St. Lawrence 19971952
Maryland 3 Barbara Mikulski Barbara Mikulski Democratic U.S. House (MD-3), Baltimore City Council Mount Saint Agnes, Maryland 19871936
Maryland 2 Ben Cardin, official Senate photo portrait Ben Cardin Democratic U.S. House (MD-3), Maryland House of Delegates Pittsburgh, Maryland 20071943
Massachusetts 2 John F. Kerry John Kerry Democratic Lieutenant Governor Yale, Boston College 19851943
Massachusetts 1 Sbrownofficial Scott Brown Republican Property assessor of Wrentham, Massachusetts; Wrentham Board of Selectman; Massachusetts Senate Tufts University, Boston College Law School 2010 1959
Michigan 2 Carl Levin official portrait Carl Levin Democratic Detroit City Council Swarthmore, Harvard 19791934
Michigan 1 Debbie Stabenow official photo Debbie Stabenow Democratic U.S. House (MI-8), Michigan Senate, Michigan House of Representatives, Ingham County Board of Commissioners Michigan State (BA, MSW) 20011950
Minnesota 1 Amy Klobuchar Amy Klobuchar Democratic-Farmer-Labor Hennepin County Attorney Yale, Chicago 20071960
Minnesota 2 Al Franken Official Senate Portrait Al Franken Democratic-Farmer-Labor Comedian, actor, author, screenwriter, political commentator, and radio host Harvard 20091951
Mississippi 2 Thad Cochran official portrait Thad Cochran Republican U.S. House (MS-4) Mississippi (BA, JD) 19791937
Mississippi 1 Senator Roger Wicker official photo Roger Wicker Republican Mississippi State Senate, U.S. House (MS-1) Mississippi (BA, JD) 2007 1951
Missouri 1 Roy Blunt Roy Blunt Republican U.S. House Southwest Baptist University, Southwest Missouri State University 20111950
Missouri 3 Claire McCaskill, official Senate photo portrait, standing, 2007 Claire McCaskill Democratic State Auditor, Missouri House of Representatives, Jackson County Prosecutor University of Missouri (BS, JD) 20071953
Montana 2 Max S. Baucus official photo Max Baucus Democratic U.S. House (MT-1) Stanford (BS, LLB) 19791941
Montana 1 Jon Tester, official 110th Congress photo Jon Tester Democratic Montana Senate President Great Falls 20071956
Nebraska 1 Jeff Fortenberry official photo Jeff Fortenberry Republican U.S. House (NE-1) Louisiana State, Georgetown, Franciscan 20091960
Nebraska 2 Mike Johanns official Senate photo Mike Johanns Republican Governor, U.S. Secretary of Agriculture, Mayor of Lincoln, Lancaster County Board St. Mary's University, Creighton University 20091950
Nevada 3 Harry Reid official portrait 2009 Harry Reid Democratic U.S. House (NV-1), Lieutenant Governor, Nevada Assembly Southern Utah, Utah State, George Washington 19871939
Nevada 1 Sen John Ensign official photo John Ensign Republican U.S. House (NV-1) UNLV, Oregon State, Colorado 20011958
New Hampshire 2 Kelly Ayotte official photo Kelly Ayotte Republican New Hampshire Attorney General Pennsylvania State University, Villanova University School of Law 20111968
New Hampshire 3 Jeanne Shaheen, official Senate photo portrait, 2009 Jeanne Shaheen Democratic Governor, New Hampshire Senate Shippensburg University, University of Mississippi 20091947
New Jersey 2 Frank Lautenberg official portrait Frank Lautenberg Democratic U.S. Senate, Class 1 Columbia 20031924
New Jersey 1 Robert Menendez, official Senate photo Bob Menendez Democratic U.S. House (NJ-13), New Jersey Senate, New Jersey General Assembly, Mayor of Union City Saint Peter's College, Rutgers 20061954
New Mexico 1 Official Photo of Senator Jeff Bingaman (D-NM) 2008 Jeff Bingaman Democratic New Mexico Attorney General Harvard, Stanford 19831943
New Mexico 2 Tom Udall Official House Picture Tom Udall Democratic U.S. House (NM-3), New Mexico Attorney General Prescott College, Cambridge University (J.D.), University of New Mexico School of Law 20091948
New York 3 Charles Schumer official portrait Chuck Schumer Democratic U.S. House (NY-9), New York State Assembly Harvard (BA, JD) 19991950
New York 1 Hillary Rodham Clinton 2 Hillary Clinton Democratic First Lady of the United States, First Lady of Arkansas Wellesley College, Yale 2001 1947
North Carolina 3 Richard Burr official photo Richard Burr Republican U.S. House (NC-5) Wake Forest 20051955
North Carolina 2 Kay Hagan official photo Kay Hagan Democratic North Carolina Senate Florida State University, Wake Forest University 20091953
North Dakota 1 Senator Conrad Official Portrait Kent Conrad Democratic-NPL North Dakota State Tax Commissioner Stanford, George Washington 19871948
North Dakota 3 John Hoeven John Hoeven Republican Governor of North Dakota Dartmouth College, Northwestern University 20111957
Ohio 1 Rob Portman Rob Portman Republican U.S. House, United States Trade Representative, Director of the Office of Management and Budget Dartmouth College, University of Michigan Law School 20111955
Ohio 3 Sherrod Brown official photo Sherrod Brown Democratic U.S. House (OH-13), Ohio Secretary of State Yale, Ohio State 20071952
Oklahoma 2 Jim Inhofe, official photo portrait, 2007 Jim Inhofe Republican U.S. House (OK-1), Oklahoma Senate, Oklahoma House of Representatives, Mayor of Tulsa Tulsa 19951934
Oklahoma 3 Tom Coburn official portrait Tom Coburn Republican U.S. House (OK-2), Physician Oklahoma State, Oklahoma 20051948
Oregon 3 Ron Wyden official portrait crop Ron Wyden Democratic U.S. House (OR-3) Stanford, Oregon 19961949
Oregon 2 Jeff Merkley official photo Jeff Merkley Democratic Oregon House Speaker Stanford (B.A.), Princeton (M.P.P.) 20091956
Pennsylvania 1 Pat Toomey Pat Toomey Republican U.S. House Harvard University 20111961
Pennsylvania 3 Bob Casey, official Senate photo portrait, c2008 Bob Casey, Jr. Democratic Pennsylvania Treasurer, Pennsylvania Auditor General Holy Cross, Catholic 20071960
Rhode Island 2 Jack Reed, official photo portrait, 2008 Jack Reed Democratic U.S. House (RI-2), Rhode Island Senate United States Military Academy, Harvard 19971949
Rhode Island 1 Sen. Sheldon Whitehouse official photo Sheldon Whitehouse Democratic Rhode Island Attorney General Yale, Virginia 20071955
South Carolina 2 Mark Hammond official photo Mark Hammond Republican South Carolina Secretary of State Newberry College, Clemson University 20091963
South Carolina 3 Jim DeMint Jim DeMint Republican U.S. House (SC-4) Tennessee, Clemson University 20051951
South Dakota 2 Tim Johnson official portrait, 2009 Tim Johnson Democratic U.S. House (SD-At Large) South Dakota (BA, MPA, JD) 19971946
South Dakota 3 John Thune official photo John Thune Republican U.S. House (SD-At Large) Biola, South Dakota 20051961
Tennessee 2 Lamar Alexander official portrait Lamar Alexander Republican Governor, U.S. Secretary of Education Vanderbilt, New York University 20031940
Tennessee 1 Bob Corker, official Senate photo, 09-21-07 Bob Corker Republican Mayor of Chattanooga Tennessee 20071952
Texas 1 Kay Bailey Hutchison, official photo 2 Kay Bailey Hutchison Republican Texas State Treasurer Texas (BA, JD) 19931943
Texas 2 John Cornyn official portrait, 2009 crop John Cornyn Republican Texas Attorney General Trinity University, St. Mary's University, Virginia 20031952
Utah 1 Orrin Hatch, official 110th Congress photo Orrin Hatch Republican Attorney Brigham Young, Pittsburgh 19771934
Utah 3 Mike Lee Mike Lee Republican Attorney Brigham Young University 20111971
Vermont 3 Patrick Leahy official portrait Patrick Leahy Democratic Chittenden County State's Attorney St. Michael's College, Georgetown 19751940
Vermont 1 Bernie Sanders Bernie Sanders Independent U.S. House (VT-At Large), Mayor of Burlington Brooklyn College, Chicago 20071941
Virginia 1 Jim Webb official photo Jim Webb Democratic U.S. Secretary of the Navy U.S. Naval Academy, USC, Georgetown University 2007 1946
Virginia 2 Mark Warner, official 111th Congress photo portrait Mark Warner Democratic Governor George Washington, Harvard 20091954
Washington 3 Patty Murray official portrait Patty Murray Democratic Washington Senate Washington State 19931950
Washington 1 Maria Cantwell official photo Maria Cantwell Democratic U.S. House (WA-1), Washington House of Representatives Miami University 20011958
West Virginia 2 Joe Manchin Joe Manchin Democratic Governor, West Virginia Secretary of State West Virginia University 20101947
West Virginia 1 Jay Rockefeller official photo Jay Rockefeller Democratic Governor Harvard 19851937
Wisconsin 1 Herbert Kohl, official photo Herb Kohl Democratic Businessman, Wisconsin Democratic Party chairman Wisconsin–Madison, Harvard 19891935
Wisconsin 3 75px Russ Feingold Democratic Wisconsin Senate Wisconsin–Madison, Oxford University, Harvard 19931953
Wyoming 2 Mike Enzi official portrait Mike Enzi Republican Wyoming Senate, Wyoming House of Representatives, Mayor of Gillette George Washington, Denver 19971944
Wyoming 1 Sen. John Barrasso Official Portrait John Barrasso Republican Wyoming Senate Georgetown (BS, MD) 20071952

Changes in membership

Former senator Reason for change Successor Date of successor's
John Ensign
Resigned May 3, 2011 due to an Ethics Committee investigation.
The appointed successor will serve for the remainder of the term that ends with this Congress.
Dean Heller May 9, 2011
Arlen Specter
Died October 14, 2012.

The appointed successor will hold the seat until a special election has been held.

Pat Toomey October 18, 2012