The 2008 US Senate elections were elections regarding the election of Class 2 Senators, previously the Senate consisted of 49 Democrats, 49 Republicans, and 2 Independents. Afterward the Senate was comprised of 61 Democrats to 37 Republicans and 2 Independents.
Races[]
- Alabama: Doug Jones (D) defeats Jeff Sessions (R) (Dem Gain)
- Alaska: Mark Begich (D) defeats Ted Stevens (R) (Dem Gain)
- Arkansas: Mark Pryor (D) def. Rebekah Kennedy (G) (Dem Hold)
- Colorado: Mark Udall (D) def. Bob Schaffer (R) (Dem Gain)
- Delaware: Joe Biden (D) def. Christine O'Donnell (R) (Dem Hold) (Beau Biden was appointed to his seat following his resigning and nomination as Secretary of State)
- Georgia: Jack Carter (D) def. Saxby Chambliss (R) (Dem Gain)
- Idaho: Jim Risch (R) def. Larry LaRocco (D) (GOP Hold)
- Illinois: Dick Durbin (D) def. Steve Sauerberg (R)(Dem Hold)
- Iowa: Tom Harkin (D) def. Christopher Reed (R) (Dem Hold)
- Kansas: Pat Roberts (R) def. Jim Slattery (D) (GOP Hold)
- Kentucky: Mitch McConnell (R) def. Bruce Lunsford (D) (GOP Hold)
- Louisiana: Mary Landrieu (D) def. John N. Kennedy (R) (Dem Hold)
- Maine: Susan Collins (R) def. Tom Allen (D) (GOP Hold)
- Massachusetts: John Kerry (D) def. Jeff Beatty (R) (Dem Hold)
- Michigan: Carl Levin (D) def. Jack Hoogendyk (R) (Dem Hold)
- Minnesota: Mike Ciresi (D) def. Norm Coleman (R) (Dem Gain)
- Mississippi: Thad Cochran (R) def. Erik Fleming (D) (GOP Hold)
- Mississippi (Special): Mike Epsy (D) def. Roger Wicker (R) (Dem Gain)
- Montana: Max Baucus (D) def. Robert Kelleher (R) (Dem Gain)
- Nebraska: Mike Johanns (R) def. Scott Kleeb (D) (GOP Hold)
- New Hampshire: Jeanne Shaheen (D) def. John E. Sununu (R) (Dem Gain)
- New Jersey: Frank Lautenberg (D) def. Dick Zimmer (R) (Dem Hold)
- New Mexico: Tom Udall (D) def. Steven Pearce (R) (Dem Gain)
- North Carolina: Kay Hagan (D) def. Elizabeth Dole (R) (Dem Gain)
- Oklahoma: Jim Inhofe (R) def. Andrew Rice (D) (GOP Hold)
- Oregon: Jeff Merkley (D) def. Gordon Smith (R) (Dem Gain)
- Rhode Island: Jack Reed (D) def. Robert Tingle (R) (Dem Hold)
- South Carolina: Lindsey Graham (R) def. Bob Conley (D) (GOP Hold)
- South Dakota: Tim Johnson (D) def. Joel Dykstra (R) (Dem Hold)
- Tennessee: Al Gore (D) def. Lamar Alexander (R) (Dem Gain)
- Texas: John Cornyn (R) def. Rick Noriega (D) (GOP Hold)
- Virginia: Mark Warner (D) def. Jim Gilmore (R) (Dem Gain)
- West Virginia: Jay Rockefeller (D) def. Jay Wolfe (R) (Dem Hold)
- Wyoming: Mike Enzi (R) def. Chris Rothfuss (D) (GOP Hold)
- Wyoming (Special): John Barrasso (R) def. Nick Carter (D) (GOP Hold)