| Party | Current | Not Up For Election |
Up For Grabs | Prediction | Gain/Loss | |
|---|---|---|---|---|---|---|
| GOP | 55 | 40 | 15 | 52 | -3 | |
| DEM | 44 | 27 | 17 | 47 | +3 | |
| IND | 1 | 0 | 1 | 1 | 0 |
| RACE | WHO | Republican | PCT | Democrat | PCT |
|---|---|---|---|---|---|
| MO SEN | Mason-Dixon | Talent | 45 | McCaskill | 46 |
| NJ SEN | Mason-Dixon | Kean | 41 | Menendez | 48 |
| MD SEN | Mason-Dixon | Steele | 44 | Cardin | 47 |
| VA SEN | Mason-Dixon | Allen | 46 | Webb | 45 |
| TN SEN | Mason-Dixon | Corker | 50 | Ford | 38 |
| NJ SEN | Marist College | Kean | 42 | Menendez | 50 |
| VA SEN | Rasmussen Reports | Allen | 49 | Webb | 49 |
| MO SEN | Rasmussen Reports | Talent | 48 | McCaskill | 49 |
| TN SEN | Rasmussen Reports | Corker | 53 | Ford | 45 |
| PA SEN | Mason-Dixon | Santorum | 39 | Casey | 52 |