| Arizona | Jon Kyl | Republican | Re-elected, 79.3% | William Toel (Independent) 7.8% Vance Hansen (Green) 7.8% Barry Hess (Libertarian) 5.1% |
| California | Dianne Feinstein | Democratic | Re-elected, 55.8% | Tom Campbell (Republican) 36.6% Medea Benjamin (Green) 3.1% Gail Lightfoot (Libertarian) 1.8% Diane Beall Templin (American Independent) 1.3% Jose Camahort (Reform) 0.9% Brian M. Rees (Natural Law) 0.6% |
| Connecticut | Joe Lieberman | Democratic | Re-elected, 63.2% | Philip Giordano (Republican) 34.1% William Kozak (Concerned Citizens) 2% Wildey J. Moore (Libertarian) 0.7% |
| Delaware | William V. Roth, Jr. | Republican | Defeated, 43.7% | Thomas R. Carper (Democrat) 55.5% Mark Dankof (Constitution) 0.3% J. Burke Morrison (Libertarian) 0.3% Robert Mattson (Natural Law) 0.2% |
| Florida | Connie Mack | Republican | Retired, Democratic victory | Bill Nelson (Democrat) 51% Bill McCollum (Republican) 46.2% Willie Logan (Independent) 1.4% Joe Simonetta (Natural Law) 0.4% Darrell L. McCormick (Independent) 0.4% Joel Deckard (Reform) 0.3% Andy Martin (Independent) 0.3% Nikki Oldaker WI (Independent)0.1% |
| Georgia1 | Zell Miller | Democratic | Re-elected, 58% | Mack Mattingly (Republican) 38% |
| Hawaii | Daniel Akaka | Democratic | Re-elected, 72.7% | John Carroll (Republican) 24.5% Lauri Clegg (Natural Law) 1.2% Lloyd Jeffrey Mallan (Libertarian) 0.9% David Porter (Constitution) 0.7% |
| Indiana | Richard Lugar | Republican | Re-elected, 66.5% | David Johnson (Democrat) 31.9% Paul Hager (Libertarian) 1.6% |
| Maine | Olympia Snowe | Republican | Re-elected, 68.9% | Mark Lawrence (Democrat) 31.1% |
| Maryland | Paul Sarbanes | Democratic | Re-elected, 63.2% | Paul Rappaport (Republican) 36.7% |
| Massachusetts | Ted Kennedy | Democratic | Re-elected, 72.9% | Jack E. Robinson III (Republican) 12.9% Carla Howell (Libertarian) 11.9% Philip Lawler (Constitution) 11.9% Dale Friedgen (Independent) 0.5% |
| Michigan | Spencer Abraham | Republican | Defeated, 47.9% | Debbie Stabenow (Democrat) 49.4% Matthew Abel (Green) 0.9% Michael Corliss (Libertarian) 0.7% Mark Forton (Reform) 0.6% John Mangopoulos (U.S. Taxpayers) 0.3% William Quarton (Natural Law) 0.1% |
| Minnesota | Rod Grams | Republican | Defeated, 43.3% | Mark Dayton (Democrat) 48.8% James Gibson (Independence) 5.8% David Daniels (Grassroots) 0.9% Rebecca Ellis (Socialist Workers) 0.5% David Swan (Constitution) 0.4% Erik D. Pakieser (Libertarian) 0.3% |
| Mississippi | Trent Lott | Republican | Re-elected, 65.9% | Troy Brown (Democrat) 31.6% Jim Giles (Independent) 0.9% Lewis Napper (Libertarian) 0.9% Shawn O'Hara (Reform) 0.7% |
| Missouri | John Ashcroft | Republican | Defeated, 48.4% | Mel Carnahan3 (Democrat) 50.4% Evaline Taylor (Green) 0.5% Grant Samuel Stauffer (Libertarian) 0.4% Hugh Foley (Reform) 0.2% Charles Dockins (Natural Law) 0.1% |
| Montana | Conrad Burns | Republican | Re-elected, 50.6% | Brian Schweitzer (Democrat) 47.2% Gary Lee (Reform) 2.2% |
| Nebraska | Bob Kerrey | Democratic | Retired: Democratic victory | Ben Nelson (Democrat) 51% Don Stenberg (Republican) 48.8% |
| Nevada | Richard Bryan | Democratic | Retired: Republican victory | John Ensign (Republican) 55.1% Edward M. Bernstein (Democrat) 39.7% None of These Candidates 1.9% Kathy Rusco (Green) 1.7% J.J. Johnson (Libertarian) 0.9% Ernie Berghof (Independent American) 0.4% Bill Grutzmacher (Citizens First) 0.3% |
| New Jersey | Frank Lautenberg | Democratic | Retired: Democratic victory | Jon Corzine (Democrat) 50.1% Bob Franks (Republican) 47.1% Bruce Afran (Green) 1.1% Pat DiNizio (Reform) 0.6% Emerson Ellett (Libertarian) 0.2% Dennis A. Breen (Independent) 0.2% J.M. Carter (Trust in God) 0.2% Lorraine LaNeve (NJ Conservative) 0.1% Gregory Pason (Socialist) 0.1% Nancy Rosenstock (Socialist Workers) 0.1% George Gostigian (God Bless Jersey) 0.1% |
| New Mexico | Jeff Bingaman | Democratic | Re-elected, 61.7% | William T. Redmond (Republican) 38.3% |
| New York | Daniel Patrick Moynihan | Democratic | Retired: Democratic victory | Hillary Rodham Clinton (Democrat) 55% Rick Lazio (Republican) 43% Jeffrey E. Graham (Independence) 0.6% Mark J. Dunau (Green) 0.6% John O. Adefope (Right To Life) 0.3% John Clifton (Libertarian) 0.1% Louis Wein (Constitution) 0.1% Jacob Perasso (Socialist Workers) 0.1% |
| North Dakota | Kent Conrad | Democratic | Re-elected, 61.4% | Duane Sand (Republican) 38.6% |
| Ohio | Mike DeWine | Republican | Re-elected, 59.9% | Ted Celeste (Democrat) 35.9% John McAlister (Libertarian) 2.6% John Eastman (Natural Law) 1.6% |
| Pennsylvania | Rick Santorum | Republican | Re-elected, 52.4% | Ron Klink (Democrat) 45.5% John Featherman (Libertarian) 1% Lester Searer (Constitution) 0.6% Robert Domske (Reform) 0.5% |
| Rhode Island2 | Lincoln Chafee | Republican | Re-elected, 56.8% | Robert Weygand (Democrat) 41.1% Christopher Young (Reform) 1% Kenneth Proulx (Independent) 0.9% |
| Tennessee | Bill Frist | Republican | Re-elected, 65.1% | Jeff Clark (Democrat) 32.2% Tom Burrell (Green) 1.3% Charles F. Johnson (Independent) 0.5% Robert Watson (Independent) 0.4% David Jarrod Ownby (Independent) 0.2% Joel Kinstle (Independent) 0.2% |
| Texas | Kay Bailey Hutchison | Republican | Re-elected, 65% | Gene Kelly (Democrat) 32.3% Doug Sandage (Green) 1.5% Mary Ruwart (Libertarian) 1.1% |
| Utah | Orrin Hatch | Republican | Re-elected, 65.6% | Scott Howell (Democrat) 31.5% Carlton Edward Bowen (Independent American) 1.6% Jim Dexter (Libertarian) 1.4% |
| Vermont | Jim Jeffords | Republican | Re-elected, 65.6% | Ed Flanagan (Democrat) 25.4% Charles W. Russell (Constitution) 3.5% Rick Hubbard (Independent) 1.9% Billy Greer (Vermont Grassroots) 1.7% Hugh Douglas (Libertarian) 1.3% Jerry Levy (Liberty Union) 0.5% |
| Virginia | Chuck Robb | Democratic | Defeated, 47.7% | George Allen (Republican) 52.3% |
| Washington | Slade Gorton | Republican | Defeated, 48.6% | Maria Cantwell (Democrat) 48.7% Jeff Jared (Libertarian) 2.6% |
| West Virginia | Robert Byrd | Democratic | Re-elected, 77.7% | David Gallaher (Republican) 20.2% Joe Whelan (Libertarian) 2.1% |
| Wisconsin | Herb Kohl | Democratic | Re-elected, 61.5% | John Gillespie (Republican) 37% Tim Peterson (Libertarian) 0.8% Eugene A. Hem (Independent) 0.4% Robert R. Raymond (Constitution) 0.2% |
| Wyoming | Craig L. Thomas | Republican | Re-elected, 73.7% | Mel Logan (Democrat) 22% Margaret Dawson (Libertarian) 4.2% |