
Last Updated: August 14, 2008
| Rank | Race | Incumbent | Status | Last Week | |||
|---|---|---|---|---|---|---|---|
| 1 | ![]() | U.S. Senate: New Hampshire | John Sununu (R) | Toss up | #1 | ||
| 2 | ![]() | U.S. Senate: Colorado | Wayne Allard (R) OPEN SEAT | Toss up | #2 | ||
| 3 | ![]() | U.S. Senate: Mississippi (Special) | Roger Wicker (R) | Toss up | #3 | ||
| 4 | ![]() | U.S. Senate: Louisiana | Mary Landrieu (D) | Leans Democratic | #4 | ||
| 5 | ![]() | U.S. Senate: Oregon | Gordon Smith (R) | Leans Republican | #5 | ||
| 6 | ![]() | U.S. Senate: Minnesota | Norm Coleman (R) | Leans Republican | #6 | ||
| 7 | ![]() | U.S. Senate: Alaska | Ted Stevens (R) | Leans Democratic | #7 | ||
| 8 | ![]() | U.S. Senate: North Carolina | Elizabeth Dole (R) | Leans Republican | #8 | ||
| 9 | ![]() | U.S. Senate: New Jersey | Frank Lautenberg (D) | Likely Democratic | #9 | ||
| 10 | ![]() | U.S. Senate: Kentucky | Mitch McConnell (R) | Likely Republican | #10 | ||
| 11 | ![]() | U.S. Senate: New Mexico | Pete Domenici (R) OPEN SEAT | Likely Democratic | #11 | ||
| 12 | ![]() | U.S. Senate: Maine | Susan Collins (R) | Likely Republican | #12 | ||
| 13 | ![]() | U.S. Senate: Virginia | John Warner (R) OPEN SEAT | Safe Democratic | #13 | ||
| 14 | ![]() | U.S. Senate: Nebraska | Chuck Hagel (R) OPEN SEAT | Safe Republican | #14 | ||
| 15 | ![]() | U.S. Senate: Georgia | Saxby Chambliss (R) | Safe Republican | #15 | ||
| 16 | ![]() | U.S. Senate: Tennessee | Lamar Alexander (R) | Safe Republican | #16 | ||
| 17 | ![]() | U.S. Senate: Texas | John Cornyn (R) | Likely Republican | #17 | ||
| 18 | ![]() | U.S. Senate: Iowa | Tom Harkin (D) | Safe Democratic | #18 | ||
| 19 | ![]() | U.S. Senate: Oklahoma | Jim Inhofe (R) | Safe Republican | #19 | ||
| 20 | ![]() | U.S. Senate: Idaho | Larry Craig (R) OPEN SEAT | Safe Republican | #20 | ||
| 21 | ![]() | U.S. Senate: Michigan | Carl Levin (D) | Safe Democratic | #21 | ||
| 22 | ![]() | U.S. Senate: Delaware | Joe Biden (D) | Safe Democratic | #22 | ||
| 23 | ![]() | U.S. Senate: South Carolina | Lindsey Graham (R) | Likely Republican | #23 | ||
| 24 | ![]() | U.S. Senate: West Virginia | Jay Rockefeller (D) | Safe Democratic | #24 | ||
| 25 | ![]() | U.S. Senate: Illinois | Dick Durbin (D) | Safe Democratic | #25 | ||
| 26 | ![]() | U.S. Senate: Kansas | Pat Roberts (R) | Safe Republican | #26 | ||
| 27 | ![]() | U.S. Senate: Montana | Max Baucus (D) | Safe Democratic | #27 | ||
| 28 | ![]() | U.S. Senate: Wyoming (Special) | John Barrasso (R) | Safe Republican | #28 | ||
| 29 | ![]() | U.S. Senate: Wyoming | Mike Enzi (R) | Safe Republican | #29 | ||
| 30 | ![]() | U.S. Senate: Alabama | Jeff Sessions (R) | Safe Republican | #30 | ||
| 31 | ![]() | U.S. Senate: Massachusetts | John Kerry (D) | Safe Democratic | #31 | ||
| 32 | ![]() | U.S. Senate: South Dakota | Tim Johnson (D) | Safe Democratic | #32 | ||
| 33 | ![]() | U.S. Senate: Mississippi | Thad Cochran (R) | Safe Republican | #33 | ||
| 34 | ![]() | U.S. Senate: Rhode Island | Jack Reed (D) | Safe Democratic | #34 | ||
| 35 | ![]() | U.S. Senate: Arkansas | Mark Pryor (D) | Safe Democratic | #35 | ||