| Alabama | Richard Shelby | Jeff Sessions | |
| Alaska | Lisa Murkowski,
Ted Stevens | | |
| Arizona | | Jon Kyl,
John McCain | |
| Arkansas | Blanche Lincoln,
Mark Pryor | | |
| California | Barbara Boxer,
Dianne Feinstein | | |
| Colorado | | Wayne Allard,
Ben Campbell | |
| Connecticut | Chris Dodd,
Joseph Lieberman | | |
| Delaware | Joe Biden,
Tom Carper | | |
| Florida | Bob Graham,
Bill Nelson | | |
| Georgia | Saxby Chambliss,
Zell Miller | | |
| Hawaii | Daniel Akaka,
Daniel Inouye | | |
| Idaho | | Larry Craig,
Mike Crapo | |
| Illinois | Dick Durbin,
Peter Fitzgerald | | |
| Indiana | Evan Bayh,
Richard Lugar | | |
| Iowa | Chuck Grassley,
Tom Harkin | | |
| Kansas | Pat Roberts | Sam Brownback | |
| Kentucky | | Jim Bunning,
Mitch McConnell | |
| Louisiana | Mary Landrieu | John Breaux | |
| Maine | Susan Collins,
Olympia Snowe | | |
| Maryland | Barbara Mikulski,
Paul Sarbanes | | |
| Massachusetts | Edward Kennedy | | John Kerry |
| Michigan | Carl Levin,
Debbie Stabenow | | |
| Minnesota | Norm Coleman,
Mark Dayton | | |
| Mississippi | Thad Cochran,
Trent Lott | | |
| Missouri | Jim Talent | Kit Bond | |
| Montana | Max Baucus | Conrad Burns | |
| Nebraska | Ben Nelson | Chuck Hagel | |
| Nevada | John Ensign | | Harry Reid |
| New Hampshire | Judd Gregg | John Sununu | |
| New Jersey | Jon Corzine,
Frank Lautenberg | | |
| New Mexico | Jeff Bingaman | Pete Domenici | |
| New York | Hillary Clinton,
Chuck Schumer | | |
| North Carolina | Liddy Dole | | John Edwards |
| North Dakota | Kent Conrad,
Byron Dorgan | | |
| Ohio | Mike DeWine | George Voinovich | |
| Oklahoma | | James Inhofe,
Donald Nickles | |
| Oregon | Gordon Smith,
Ron Wyden | | |
| Pennsylvania | Rick Santorum,
Arlen Specter | | |
| Rhode Island | Lincoln Chafee,
Jack Reed | | |
| South Carolina | Fritz Hollings | Lindsey Graham | |
| South Dakota | Tom Daschle | | Tim Johnson |
| Tennessee | | Lamar Alexander,
Bill Frist | |
| Texas | John Cornyn,
Kay Bailey Hutchison | | |
| Utah | Bob Bennett,
Orrin Hatch | | |
| Vermont | James Jeffords,
Patrick Leahy | | |
| Virginia | George Allen,
John Warner | | |
| Washington | Maria Cantwell,
Patty Murray | | |
| West Virginia | Robert Byrd,
Jay Rockefeller | | |
| Wisconsin | Russ Feingold,
Herb Kohl | | |
| Wyoming | | Mike Enzi,
Craig Thomas | |