| State | Obama | DPE | DPE Error |
| Alabama | 38.7% | 41.9% | 3.2% |
| Alaska | 37.9% | 42.0% | 4.1% |
| Arizona | 44.9% | 49.5% | 4.6% |
| Arkansas | 38.9% | 49.9% | 11.0% |
| California | 60.9% | 59.7% | -1.2% |
| Colorado | 53.7% | 52.4% | -1.3% |
| Connecticut | 60.7% | 59.9% | -0.8% |
| D. C. | 92.5% | 94.7% | 2.2% |
| Delaware | 61.9% | 58.5% | -3.4% |
| Florida | 50.9% | 52.2% | 1.3% |
| Georgia | 46.9% | 46.4% | -0.5% |
| Hawaii | 71.9% | 59.1% | -12.7% |
| Idaho | 36.0% | 35.7% | -0.3% |
| Illinois | 61.9% | 59.9% | -2.0% |
| Indiana | 49.9% | 44.4% | -5.5% |
| Iowa | 53.9% | 54.4% | 0.5% |
| Kansas | 41.6% | 42.0% | 0.5% |
| Kentucky | 41.2% | 44.8% | 3.7% |
| Louisiana | 39.9% | 47.5% | 7.6% |
| Maine | 57.7% | 59.2% | 1.5% |
| Maryland | 61.9% | 61.2% | -0.7% |
| Massachusetts | 62.0% | 67.3% | 5.3% |
| Michigan | 57.4% | 56.4% | -0.9% |
| Minnesota | 54.1% | 56.5% | 2.4% |
| Mississippi | 43.0% | 44.9% | 1.9% |
| Missouri | 49.3% | 51.1% | 1.9% |
| Montana | 47.2% | 44.5% | -2.7% |
| Nebraska | 41.3% | 38.1% | -3.2% |
| Nevada | 55.2% | 53.4% | -1.7% |
| New Hampshire | 54.1% | 55.4% | 1.3% |
| New Jersey | 57.2% | 58.1% | 0.9% |
| New Mexico | 56.9% | 54.3% | -2.6% |
| New York | 62.8% | 63.9% | 1.1% |
| North Carolina | 49.7% | 48.5% | -1.2% |
| North Dakota | 44.5% | 41.1% | -3.4% |
| Ohio | 51.0% | 53.7% | 2.7% |
| Oklahoma | 34.4% | 39.2% | 4.8% |
| Oregon | 56.8% | 56.8% | 0.1% |
| Pennsylvania | 54.5% | 56.0% | 1.5% |
| Rhode Island | 63.1% | 65.1% | 2.0% |
| South Carolina | 44.9% | 46.2% | 1.3% |
| South Dakota | 44.8% | 44.0% | -0.8% |
| Tennessee | 41.8% | 47.6% | 5.8% |
| Texas | 43.7% | 43.3% | -0.4% |
| Utah | 34.3% | 32.0% | -2.3% |
| Vermont | 67.5% | 64.8% | -2.7% |
| Virginia | 52.6% | 50.6% | -2.0% |
| Washington | 57.5% | 58.3% | 0.9% |
| West Virginia | 42.6% | 48.3% | 5.7% |
| Wisconsin | 56.2% | 54.9% | -1.3% |
| Wyoming | 32.5% | 34.8% | 2.3% |