
| Scenario 1 | 1a | 1b | |||||||||||
| State | 2004 | 2000 | 1996 | 1992 | 1988 | Elec Votes | R | D | 2008 R | 2008 D | 2008 R | 2008 D | |
| AK | R | R | R | R | R | 3 | 5 | 0 | 3 | 3 | |||
| AL | R | R | R | R | R | 9 | 5 | 0 | 9 | 9 | |||
| AR | R | R | D | D | R | 6 | 3 | 2 | 6 | ||||
| AZ | R | R | D | R | R | 10 | 4 | 1 | 10 | 10 | |||
| CA | D | D | D | D | R | 55 | 1 | 4 | 55 | 55 | |||
| CO | R | R | R | D | R | 9 | 4 | 1 | 9 | 9 | |||
| CT | D | D | D | D | R | 7 | 1 | 4 | 7 | 7 | |||
| DC | D | D | D | D | D | 3 | 0 | 5 | 3 | 3 | |||
| DE | D | D | D | D | R | 3 | 1 | 4 | 3 | 3 | |||
| FL | R | R | D | R | R | 27 | 4 | 1 | 27 | 27 | |||
| GA | R | R | R | D | R | 15 | 4 | 1 | 15 | 15 | |||
| HI | D | D | D | D | R | 4 | 1 | 4 | 4 | 4 | |||
| IA | R | D | D | D | D | 7 | 1 | 4 | 7 | 7 | |||
| ID | R | R | R | R | R | 4 | 5 | 0 | 4 | 4 | |||
| IL | D | D | D | D | R | 21 | 1 | 4 | 21 | 21 | |||
| IN | R | R | R | R | R | 11 | 5 | 0 | 11 | 11 | |||
| KS | R | R | R | R | R | 6 | 5 | 0 | 6 | 6 | |||
| KY | R | R | D | D | R | 8 | 3 | 2 | 8 | ||||
| LA | R | R | D | D | R | 9 | 3 | 2 | 9 | ||||
| MA | D | D | D | D | D | 12 | 0 | 5 | 12 | 12 | |||
| MD | D | D | D | D | R | 10 | 1 | 4 | 10 | 10 | |||
| ME | D | D | D | D | R | 4 | 1 | 4 | 4 | 4 | |||
| MI | D | D | D | D | R | 17 | 1 | 4 | 17 | 17 | |||
| MN | D | D | D | D | D | 10 | 0 | 5 | 10 | 10 | |||
| MO | R | R | D | D | R | 11 | 3 | 2 | 11 | ||||
| MS | R | R | R | R | R | 6 | 5 | 0 | 6 | 6 | |||
| MT | R | R | R | D | R | 3 | 4 | 1 | 3 | 3 | |||
| NC | R | R | R | R | R | 15 | 5 | 0 | 15 | 15 | |||
| ND | R | R | R | R | R | 3 | 5 | 0 | 3 | 3 | |||
| NE | R | R | R | R | R | 5 | 5 | 0 | 5 | 5 | |||
| NH | D | R | D | D | R | 4 | 2 | 3 | 4 | ||||
| NJ | D | D | D | D | R | 15 | 1 | 4 | 15 | 15 | |||
| NM | R | D | D | D | R | 5 | 2 | 3 | 5 | ||||
| NV | R | R | D | D | R | 5 | 3 | 2 | 5 | ||||
| NY | D | D | D | D | D | 31 | 0 | 5 | 31 | 31 | |||
| OH | R | R | D | D | R | 20 | 3 | 2 | 20 | ||||
| OK | R | R | R | R | R | 7 | 5 | 0 | 7 | 7 | |||
| OR | D | D | D | D | D | 7 | 0 | 5 | 7 | 7 | |||
| PA | D | D | D | D | R | 21 | 1 | 4 | 21 | 21 | |||
| RI | D | D | D | D | D | 4 | 0 | 5 | 4 | 4 | |||
| SC | R | R | R | R | R | 8 | 5 | 0 | 8 | 8 | |||
| SD | R | R | R | R | R | 3 | 5 | 0 | 3 | 3 | |||
| TN | R | R | D | D | R | 11 | 3 | 2 | 11 | ||||
| TX | R | R | R | R | R | 34 | 5 | 0 | 34 | 34 | |||
| UT | R | R | R | R | R | 5 | 5 | 0 | 5 | 5 | |||
| VA | R | R | R | R | R | 13 | 5 | 0 | 13 | 13 | |||
| VT | D | D | D | D | R | 3 | 1 | 4 | 3 | 3 | |||
| WA | D | D | D | D | D | 11 | 0 | 5 | 11 | 11 | |||
| WI | D | D | D | D | D | 10 | 0 | 5 | 10 | 10 | |||
| WV | R | R | D | D | D | 5 | 2 | 3 | 5 | ||||
| WY | R | R | R | R | R | 3 | 5 | 0 | 3 | 3 | |||
| R | 31 | 30 | 19 | 18 | 41 | 269 | 269 | 199 | 255 | ||||
| D | 20 | 21 | 32 | 33 | 10 | ||||||||
| Avg R | 27.8 | ||||||||||||
| Avg D | 23.2 | ||||||||||||