| Outcome | Left | Right | Chris Bowers | Walter Olson | Joe Gandelman | |
| President | Obama | Obama | Obama | Obama | Obama | Obama |
| Fla. | Obama | Obama | McCain | Obama | Obama | Obama |
| Ind. | Obama | Obama | McCain | McCain | Obama | Obama |
| Mont. | McCain | McCain | McCain | McCain | Obama | McCain |
| Mo. | McCain | Obama | McCain | McCain | McCain | McCain |
| Pa. | Obama | Obama | Obama | Obama | Obama | Obama |
| Democrats' Senate gain | 6 | 9 | 6 | 7 | 4 | 9 |
| Minn. | Coleman | Franken | Coleman | Coleman | Coleman | Coleman |
| Miss. | Wicker | Wicker | Wicker | Wicker | Wicker | Musgrove |
| N.H. | Shaheen | Shaheen | Shaheen | Shaheen | Shaheen | Shaheen |
| N.C. | Hagan | Hagan | Hagan | Hagan | Hagan | Hagan |
| Democrats' House gain | 21 | 26 | 19 | 21 | 23 | 36 |
| Conn. 4 | Himes | Himes | Shays | Himes | Himes | Himes |
| Pa. 11 | Kanjorski | Kanjorski | Barletta | Barletta | Barletta | Kanjorski |
| N.C. governor | Perdue | Perdue | Perdue | Perdue | Perdue | Perdue |
| Calif. gay marriage ban | Pass | Fail | Fail | Fail | Fail | Pass |
| Concession speech | Before midnight | Before midnight | After midnight | After midnight | Before midnight | After midnight |
| Electoral vote total (Obama) | 365 | 358 | 295 | 353 | 320 | 364 |