A list of the members of the Senate in the United States' 110th Congress.
Dates in left column indicate term in office; birth years are given in parentheses after party affiliation. All terms are for six years and expire in January. Senators listed in italics were elected or reelected in 2006 for the 110th Congress.
See also: Current and historical biographies of every U.S. congressional member
110th Congress
| Alabama | 1987–2011 Richard Shelby (R) (1934) |
| 1997–2009 Jeff Sessions (R) (1946) | |
| Alaska | 1969–2009 Ted Stevens (R) (1923) |
| 2002–2011 Lisa Murkowski (R) (1957) | |
| Arizona | 1987–2011 John McCain (R) (1936) |
| 1995–2013 Jon Kyl (R) (1942) | |
| Arkansas | 1999–2011 Blanche Lincoln (D) (1960) |
| 2003–2009 Mark Pryor (D) (1963) | |
| California | 1993–2013 Dianne Feinstein (D) (1933) |
| 1993–2011 Barbara Boxer (D) (1940) | |
| Colorado | 1997–2009 Wayne Allard (R) (1943) |
| 2005–2011 Ken Salazar (D) (1955) | |
| Connecticut | 1981–2011 Christopher J. Dodd (D) (1944) |
| 1989–2013 Joseph I. Lieberman (I) (1942) | |
| Delaware | 1973–2009 Joseph R. Biden, Jr. (D) (1942) |
| 2001–2013 Thomas R. Carper (D) (1947) | |
| Florida | 2001–2013 Bill Nelson (D) (1942) |
| 2005–2011 Mel Martinez (R) (1946) | |
| Georgia | 2003–2009 Saxby Chambliss (R) (1943) |
| 2005–2011 Johnny Isakson (R) (1944) | |
| Hawaii | 1963–2011 Daniel K. Inouye (D) (1924) |
| 1990–2013 Daniel K. Akaka (D) (1924) | |
| Idaho | 1991–2009 Larry E. Craig (R) (1945) |
| 1999–2011 Mike Crapo (R) (1951) | |
| Illinois | 1997–2009 Richard J. Durbin (D) (1944) |
| 2005–2011 Barack Obama (D) (1961) | |
| Indiana | 1977–2013 Richard G. Lugar (R) (1932) |
| 1999–2011 Evan Bayh (D) (1955) | |
| Iowa | 1981–2011 Charles E. Grassley (R) (1933) |
| 1985–2009 Tom Harkin (D) (1939) | |
| Kansas | 1997–2011 Sam Brownback (R) (1956) |
| 1997–2009 Pat Roberts (R) (1936) | |
| Kentucky | 1985–2009 Mitch McConnell (R) (1942) |
| 1999–2011 Jim Bunning (R) (1931) | |
| Louisiana | 1997–2009 Mary L. Landrieu (D) (1955) |
| 2005–2011 David Vitter (R) (1961) | |
| Maine | 1995–2013 Olympia J. Snowe (R) (1947) |
| 1997–2009 Susan M. Collins (R) (1952) | |
| Maryland | 1987–2011 Barbara A. Mikulski (D) (1936) |
| 2007–2013 Ben Cardin (D) (1943) | |
| Massachusetts | 1963–2013 Edward M. Kennedy (D) (1932) |
| 1985–2009 John F. Kerry (D) (1943) | |
| Michigan | 1979–2009 Carl Levin (D) (1934) |
| 2001–2013 Debbie A. Stabenow (D) (1950) | |
| Minnesota | 2003–2009 Norm Coleman (R) (1949) |
| 2007–2013 Amy Klobuchar (D) (1960) | |
| Mississippi | 1979–2009 Thad Cochran (R) (1937) |
| 1989–2013 Trent Lott (R) (1941) | |
| Missouri | 1987–2011 Christopher S. Bond (R) (1939) |
| 2007–2013 Claire McCaskill (D) (1953) | |
| Montana | 1978–2009 Max Baucus (D) (1941) |
| 2007–2013 Jon Tester (D) (1956) | |
| Nebraska | 1997–2009 Charles Hagel (R) (1946) |
| 2001–2013 Ben Nelson (D) (1941) | |
| Nevada | 1987–2011 Harry Reid (D) (1939) |
| 2001–2013 John Ensign (R) (1958) | |
| New Hampshire | 1993–2011 Judd Gregg (R) (1947) |
| 2003–2009 John E. Sununu (R) (1964) | |
| New Jersey | 2003–2009 Frank R. Lautenberg (D) (1924) |
| 2007–2013 Bob Menendez (D) (1954) | |
| New Mexico | 1973–2009 Pete V. Domenici (R) (1932) |
| 1983–2013 Jeff Bingaman (D) (1943) | |
| New York | 1999–2011 Charles E. Schumer (D) (1950) |
| 2001–2013 Hillary Rodham Clinton (D) (1947) | |
| North Carolina | 2003–2009 Elizabeth Dole (R) (1936) |
| 2005–2011 Richard Burr (R) (1955) | |
| North Dakota | 1987–2013 Kent Conrad (D) (1948) |
| 1993–2011 Byron L. Dorgan (D) (1942) | |
| Ohio | 1999–2011 George Voinovich (R) (1936) |
| 2007–2013 Sherrod Brown (D) (1952) | |
| Oklahoma | 1994–2009 James Inhofe (R) (1934) |
| 2005–2011 Tom Coburn (R) (1948) | |
| Oregon | 1996–2011 Ron Wyden (D) (1949) |
| 1997–2009 Gordon H. Smith (R) (1952) | |
| Pennsylvania | 1981–2011 Arlen Specter (R) (1930) |
| 2007–2013 Bob Casey (D) (1960) | |
| Rhode Island | 1997–2009 Jack Reed (D) (1949) |
| 2007–2013 Sheldon Whitehouse (D) (1955) | |
| South Carolina | 2003–2009 Lindsey Graham (R) (1955) |
| 2005–2011 Jim DeMint (R) (1951) | |
| South Dakota | 1997–2009 Tim Johnson (D) (1946) |
| 2005–2011 John R. Thune (R) (1961) | |
| Tennessee | 2003–2009 Lamar Alexander (R) (1940) |
| 2007–2013 Bob Corker (R) (1952) | |
| Texas | 1995–2013 Kay Bailey Hutchison (R) (1943) |
| 2003–2009 John Cornyn (R) (1952) | |
| Utah | 1977–2013 Orrin G. Hatch (R) (1934) |
| 1993–2011 Robert Bennett (R) (1933) | |
| Vermont | 1975–2011 Patrick J. Leahy (D) (1940) |
| 2007–2013 Bernie Sanders (I) (1941) | |
| Virginia | 1979–2009 John Warner (R) (1927) |
| 2007–2013 Jim Webb (D) (1946) | |
| Washington | 1993–2011 Patty Murray (D) (1950) |
| 2001–2013 Maria Cantwell (D) (1958) | |
| West Virginia | 1959–2013 Robert C. Byrd (D) (1917) |
| 1985–2009 John D. “Jay” Rockefeller IV (D) (1937) | |
| Wisconsin | 1989–2013 Herbert Kohl (D) (1935) |
| 1993–2011 Russ Feingold (D) (1953) | |
| Wyoming | 1995–2013 Craig Thomas (R) (1933) |
| 1997–2009 Michael B. Enzi (R) (1944) |
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