111th United States Senate Structure
Affiliation Members Note
Democratslogo Democratic Party   57
Republican Party Republican Party   42
Independent 1 Bernie Sanders caucus with the Democrats.
Total 100


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

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

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


Class End of Term Democratic Republican Independent Total
1 2013 20 12 1 33
2 2015 20 13 33
3 2011 17 17 34
State Class   Name Party Religion Prior Experience Education First took
Alabama 3 Richard Shelby official portrait Richard Shelby Republican Presbyterian Alabama Senate; U.S. House (AL-7) University of Alabama (BA, JD) 19871934
Alabama 2 Jeff Sessions official portrait Jeff Sessions Republican Methodist State Attorney General Huntingdon College, University of Alabama 19971946
Alaska 3 Lisa Murkowski Lisa Murkowski Republican Roman Catholic Alaska House of Representatives Georgetown, Willamette University 20021957
Alaska 2 Mark Begich, official Senate photo portrait, 2009 Mark Begich Democratic Roman Catholic Mayor of Anchorage University of Alaska Anchorage (attended) 20091962
Arizona 3 Ed Pastor official portrait Ed Pastor Democratic Roman Catholic High School teacher, U.S. House Arizona State University 20091943
Arizona 1 Jon Kyl, official 109th Congress photo Jon Kyl Republican Presbyterian Attorney, U.S. House (AZ-4) University of Arizona (BA, JD) 19951942
Arkansas 3 473px-Lincoln-portrait-2007 Blanche Lincoln Democratic Episcopalian U.S. House (AR-1) Randolph-Macon Women's College, University of Arkansas 19991960
Arkansas 2 Mark Pryor, head and shoulders photo portrait with flag, 2006 Mark Pryor Democratic Southern Baptist Arkansas House of Representatives, State Attorney General University of Arkansas (BA, JD) 20031963
California 1 Dianne Feinstein, official Senate photo Dianne Feinstein Democratic Jewish Mayor of San Francisco, San Francisco Board of Supervisors Stanford University 19921933
California 3 Barbara Boxer 2005 Barbara Boxer Democratic Jewish Marin County Board of Supervisors, U.S. House (CA-6) Brooklyn College 19931940
Colorado 2 MarkUdall-Senate Portrait Mark Udall Democratic Presbyterian State Representative, U.S. House (CO-2) Williams College 20091950
Colorado 3 Ken Salazar Senate portrait Ken Salazar Democratic Roman Catholic Colorado Attorney General Colorado College, Michigan Law School 20051955
Connecticut 3 Christopher Dodd Chris Dodd Democratic Roman Catholic U.S. House (CT-2) Providence College, University of Louisville 19811944
Connecticut 1 Rob Simmons official portrait Rob Simmons Republican Episcopalian 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 Presbyterian 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 Roman Catholic Lawyer University of Delaware (B.A.), Syracuse University College of Law (J.D.)19731942
Florida 1 Bill Nelson Bill Nelson Democratic Episcopalian U.S. House (FL-11), State Treasurer Yale University, University of Virginia 20011942
Florida 3 Senator George LeMieux George LeMieux Republican Roman Catholic Lawyer, Chief of Staff of Governor Charlie Crist Emory University, Georgetown University Law Center 2009 1969
Georgia 2 Saxby Chambliss Saxby Chambliss Republican Episcopalian U.S. House (GA-8) University of Georgia, University of Tennessee 20031943
Georgia 3 Johnny Isakson Johnny Isakson Republican United Methodist U.S. House (GA-6) Georgia 20051944
Hawaii 3 Daniel Inouye, official Senate photo portrait, 2008 Daniel Inouye Democratic Methodist U.S. House (HI-At Large) University of Hawaii, George Washington University 19631924
Hawaii 1 Daniel Akaka official photo Daniel Akaka Democratic United Church of Christ U.S. House (HI-2) University of Hawaii (BA, M.Ed.) 19911924
Idaho 3 Mike Crapo Official Photo 110th Congress Mike Crapo Republican LDS Idaho State Senate, U.S. House (ID-2) Brigham Young University, Harvard Law School 19991951
Idaho 2 Jim Risch official portrait Jim Risch Republican Roman Catholic State Senate Majority Leader, Governor of Idaho, Lieutenant Governor of Idaho University of Idaho 20091943
Illinois 2 Richard Durbin official photo Dick Durbin Democratic Roman Catholic U.S. House (IL-20) Georgetown University (BS, JD) 19971944
Illinois 3 Barack Obama Senate portrait 2005 Barack Obama Democratic Christianity 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 United Methodist Mayor of Indianapolis Denison University, University of Oxford 19771932
Indiana 3 477px-Evan Bayh official portrait Evan Bayh Democratic Episcopalian Indiana Secretary of State, Governor Indiana University, University of Virginia 19991955
Iowa 3 Sen Chuck Grassley official Chuck Grassley Republican Baptist U.S. House (IA-3) University of Northern Iowa (BA, MA) 19811933
Iowa 2 Tom Harkin official portrait Tom Harkin Democratic Roman Catholic U.S. House (IA-5) Iowa State, Catholic 19851939
Kansas 3 Sam Brownback Sam Brownback Republican Roman Catholic U.S. House (KS-2) Kansas State University, University of Kansas 19961956
Kansas 2 Pat Roberts official photo Pat Roberts Republican Methodist U.S. House (KS-1) Kansas State University 19971936
Kentucky 2 Sen Mitch McConnell official Mitch McConnell Republican Baptist Jefferson County Executive Louisville, Kentucky 19851942
Kentucky 3 Jim Bunning official photo Jim Bunning Republican Roman Catholic U.S. House (KY-4), Kentucky State Senate, Fort Thomas City Council, Major League Baseball player Xavier 19991931
Louisiana 2 Mary Landrieu Senate portrait Mary Landrieu Democratic Roman Catholic Louisiana Treasurer Louisiana State 19971955
Louisiana 3 David Vitter official photo David Vitter Republican Roman Catholic Louisiana House of Representatives, U.S. House Harvard, Oxford, Tulane 20051961
Maine 1 Olympia Snowe official photo Olympia Snowe Republican Greek Orthodox 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 Roman Catholic Commissioner of the Maine Department of Professional and Financial Regulation St. Lawrence 19971952
Maryland 3 Barbara Mikulski Barbara Mikulski Democratic Roman Catholic U.S. House (MD-3), Baltimore City Council Mount Saint Agnes, Maryland 19871936
Maryland 1 Ben Cardin, official Senate photo portrait Ben Cardin Democratic Jewish U.S. House (MD-3), Maryland House of Delegates Pittsburgh, Maryland 20071943
Massachusetts 2 John F. Kerry John Kerry Democratic Roman Catholic Lieutenant Governor Yale, Boston College 19851943
Massachusetts 1 Sbrownofficial Scott Brown Republican Christian Reformed Church in North America Property assessor of Wrentham, Massachusetts; Wrentham Board of Selectman; Massachusetts Senate; National Guard Tufts University, Boston College Law School 2010 1959
Michigan 2 Carl Levin official portrait Carl Levin Democratic Jewish Detroit City Council Swarthmore, Harvard 19791934
Michigan 1 Debbie Stabenow official photo Debbie Stabenow Democratic United Methodist 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 Congregationalist Hennepin County Attorney Yale, Chicago 20071960
Minnesota 2 Al Franken Official Senate Portrait Al Franken Democratic-Farmer-Labor Jewish Comedian, actor, author, screenwriter, political commentator, and radio host Harvard 20091951
Mississippi 2 Thad Cochran official portrait Thad Cochran Republican Baptist U.S. House (MS-4) Mississippi (BA, JD) 19791937
Mississippi 1 Senator Roger Wicker official photo Roger Wicker Republican Southern Baptist Mississippi State Senate, U.S. House (MS-1) Mississippi (BA, JD) 2007 1951
Missouri 3 Kit Bond official portrait Kit Bond Republican Presbyterian Governor, State Auditor Princeton, Virginia 19871939
Missouri 1 Claire McCaskill, official Senate photo portrait, standing, 2007 Claire McCaskill Democratic Roman Catholic 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 United Church of Christ U.S. House (MT-1) Stanford (BS, LLB) 19791941
Montana 1 Jon Tester, official 110th Congress photo Jon Tester Democratic Church of God Montana Senate President Great Falls 20071956
Nebraska 1 Jeff Fortenberry official photo Jeff Fortenberry Republican Roman Catholic U.S. House (NE-1) Louisiana State, Georgetown, Franciscan 20091960
Nebraska 2 Mike Johanns official Senate photo Mike Johanns Republican Roman Catholic 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 LDS 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 International Church of the Foursquare Gospel U.S. House (NV-1) UNLV, Oregon State, Colorado 20011958
New Hampshire 3 Gregg official photo Judd Gregg Republican Congregationalist Governor, U.S. House (NH-2) Columbia, Boston University 19931947
New Hampshire 2 Jeanne Shaheen, official Senate photo portrait, 2009 Jeanne Shaheen Democratic Non-denominational Christian Governor, New Hampshire Senate Shippensburg University, University of Mississippi 20091947
New Jersey 2 Frank Lautenberg official portrait Frank Lautenberg Democratic Jewish U.S. Senate, Class 1 Columbia 20031924
New Jersey 1 Robert Menendez, official Senate photo Bob Menendez Democratic Roman Catholic 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 Methodist New Mexico Attorney General Harvard, Stanford 19831943
New Mexico 2 Tom Udall Official House Picture Tom Udall Democratic LDS 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 Jewish U.S. House (NY-9), New York State Assembly Harvard (BA, JD) 19991950
New York 1 Hillary Rodham Clinton 2 Hillary Clinton Democratic Methodist 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 Methodist U.S. House (NC-5) Wake Forest 20051955
North Carolina 2 Kay Hagan official photo Kay Hagan Democratic Presbyterian North Carolina Senate Florida State University, Wake Forest University 20091953
North Dakota 1 Senator Conrad Official Portrait Kent Conrad Democratic-NPL Unitarian Universalist North Dakota State Tax Commissioner Stanford, George Washington 19871948
North Dakota 3 Byron Dorgan Byron Dorgan Democratic-NPL Lutheran U.S. House (ND-At Large) University of North Dakota, Denver 20091942
Ohio 3 George Voinovich, official photo portrait, 2006 George Voinovich Republican Roman Catholic Governor, Lieutenant Governor, Mayor of Cleveland Ohio, Ohio State 19991936
Ohio 1 Sherrod Brown official photo Sherrod Brown Democratic Lutheran U.S. House (OH-13), Ohio Secretary of State Yale, Ohio State 20071952
Oklahoma 2 Jim Inhofe, official photo portrait, 2007 Jim Inhofe Republican Presbyterian 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 Baptist U.S. House (OK-2), Physician Oklahoma State, Oklahoma 20051948
Oregon 3 Ron Wyden official portrait crop Ron Wyden Democratic Jewish U.S. House (OR-3) Stanford, Oregon 19961949
Oregon 2 Jeff Merkley official photo Jeff Merkley Democratic Lutheran Oregon House Speaker Stanford (B.A.), Princeton (M.P.P.) 20091956
Pennsylvania 3 Arlen Specter, official Senate photo portrait Arlen Specter Democratic Jewish Philadelphia District Attorney Pennsylvania, Yale 19811930
Pennsylvania 1 Bob Casey, official Senate photo portrait, c2008 Bob Casey, Jr. Democratic Roman Catholic Pennsylvania Treasurer, Pennsylvania Auditor General Holy Cross, Catholic 20071960
Rhode Island 2 Jack Reed, official photo portrait, 2008 Jack Reed Democratic Roman Catholic 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 Episcopalian Rhode Island Attorney General Yale, Virginia 20071955
South Carolina 2 Mark Hammond official photo Mark Hammond Republican Non-denominational Christian South Carolina Secretary of State Newberry College, Clemson University 20091963
South Carolina 3 Jim DeMint Jim DeMint Republican Presbyterian U.S. House (SC-4) Tennessee, Clemson University 20051951
South Dakota 2 Tim Johnson official portrait, 2009 Tim Johnson Democratic Lutheran U.S. House (SD-At Large) South Dakota (BA, MPA, JD) 19971946
South Dakota 3 John Thune official photo John Thune Republican Evangelical Christian U.S. House (SD-At Large) Biola, South Dakota 20051961
Tennessee 2 Lamar Alexander official portrait Lamar Alexander Republican Presbyterian Governor, U.S. Secretary of Education Vanderbilt, New York University 20031940
Tennessee 1 Bob Corker, official Senate photo, 09-21-07 Bob Corker Republican Presbyterian Mayor of Chattanooga Tennessee 20071952
Texas 1 Kay Bailey Hutchison, official photo 2 Kay Bailey Hutchison Republican Episcopalian Texas State Treasurer Texas (BA, JD) 19931943
Texas 2 John Cornyn official portrait, 2009 crop John Cornyn Republican Church of Chris Texas Attorney General Trinity University, St. Mary's University, Virginia 20031952
Utah 1 Orrin Hatch, official 110th Congress photo Orrin Hatch Republican LDS Attorney Brigham Young, Pittsburgh 19771934
Utah 3 Bob Bennett official portrait, 2009 Robert Foster Bennett Republican LDS Businessman Utah 19931933
Vermont 3 Patrick Leahy official portrait Patrick Leahy Democratic Roman Catholic Chittenden County State's Attorney St. Michael's College, Georgetown 19751940
Vermont 1 Bernie Sanders Bernie Sanders Independent Jewish U.S. House (VT-At Large), Mayor of Burlington Brooklyn College, Chicago 20071941
Virginia 1 Jim Webb official photo Jim Webb Democratic Non-denominational Christian 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 Presbyterian Governor George Washington, Harvard 20091954
Washington 3 Patty Murray official portrait Patty Murray Democratic Roman Catholic Washington Senate Washington State 19931950
Washington 1 Maria Cantwell official photo Maria Cantwell Democratic Roman Catholic U.S. House (WA-1), Washington House of Representatives Miami University 20011958
West Virginia 1 Carte Goodwin Official Photo Carte Goodwin Democratic Methodist Attorney, former General Counsel to Governor Joseph Manchin Marietta College, Emory University School of Law 20101974
West Virginia 2 Jay Rockefeller official photo Jay Rockefeller Democratic Presbyterian Governor Harvard 19851937
Wisconsin 1 Herbert Kohl, official photo Herb Kohl Democratic Jewish Businessman, Wisconsin Democratic Party chairman Wisconsin–Madison, Harvard 19891935
Wisconsin 3 75px Russ Feingold Democratic Jewish Wisconsin Senate Wisconsin–Madison, Oxford University, Harvard 19931953
Wyoming 2 Mike Enzi official portrait Mike Enzi Republican Presbyterian Wyoming Senate, Wyoming House of Representatives, Mayor of Gillette George Washington, Denver 19971944
Wyoming 1 Sen. John Barrasso Official Portrait John Barrasso Republican Presbyterian Wyoming Senate Georgetown (BS, MD) 20071952
State Class Name Party Religion Prior Experience Education First took


(Shading indicates majority caucus)
Democratic Independent Republican Vacant
End of previous congress 49 2 48 99 1
Begin 56 1 39 96 4
January 15, 2009 57 40 98 2
January 21, 2009 58 99 1
April 30, 2009 59 39
July 7, 2009 60 100 0
August 6, 2009 59 99 1
August 11, 2009 40 100 0
August 25, 2009 58 99 1
September 9, 2009 39 98 2
September 10, 2009 40 99 1
September 25, 2009 59 100 0
February 4, 2010 58 41
June 28, 2010 57 99 1
July 16, 2010 58 100 0
Latest voting share 58% 41%

See also