Map | Pie | State | EV | EV | Total Vote | O | R | Margin |
%Margin | Obama | Romney | Other | Obama | Romney | Other |
| | | | | | | | |
| | | | | | |
| | Wyoming | 0 | 3 | 249,061 | 2 | 1 | 101,676 | 40.82% | 27.82% | 68.64% | 3.54% | 69,286 | 170,962 | 8,813 |
| | D. C. | 3 | 0 | 293,764 | 1 | 2 | 245,689 | 83.63% | 90.91% | 7.28% | 1.81% | 267,070 | 21,381 | 5,313 |
| | Vermont | 3 | 0 | 299,290 | 1 | 2 | 106,541 | 35.60% | 66.57% | 30.97% | 2.46% | 199,239 | 92,698 | 7,353 |
| | Alaska | 0 | 3 | 300,495 | 2 | 1 | 42,036 | 13.99% | 40.81% | 54.80% | 4.39% | 122,640 | 164,676 | 13,179 |
| | North Dakota | 0 | 3 | 322,627 | 2 | 1 | 63,336 | 19.63% | 38.69% | 58.32% | 2.99% | 124,827 | 188,163 | 9,637 |
| | South Dakota | 0 | 3 | 363,815 | 2 | 1 | 65,571 | 18.02% | 39.87% | 57.89% | 2.24% | 145,039 | 210,610 | 8,166 |
| | Delaware | 3 | 0 | 413,921 | 1 | 2 | 77,100 | 18.63% | 58.61% | 39.98% | 1.41% | 242,584 | 165,484 | 5,853 |
| | Hawaii | 4 | 0 | 434,697 | 1 | 2 | 185,643 | 42.71% | 70.55% | 27.84% | 1.62% | 306,658 | 121,015 | 7,024 |
| | Rhode Island | 4 | 0 | 446,049 | 1 | 2 | 122,473 | 27.46% | 62.70% | 35.24% | 2.06% | 279,677 | 157,204 | 9,168 |
| | Montana | 0 | 3 | 484,484 | 2 | 1 | 66,089 | 13.64% | 41.66% | 55.30% | 3.04% | 201,839 | 267,928 | 14,717 |
| | Idaho | 0 | 4 | 656,742 | 2 | 1 | 208,124 | 31.69% | 32.40% | 64.09% | 3.51% | 212,787 | 420,911 | 23,044 |
| | West Virginia | 0 | 5 | 672,119 | 2 | 1 | 179,386 | 26.69% | 35.45% | 62.14% | 2.41% | 238,269 | 417,655 | 16,195 |
| | New Hampshire | 4 | 0 | 710,972 | 1 | 2 | 39,643 | 5.58% | 51.98% | 46.40% | 1.62% | 369,561 | 329,918 | 11,493 |
| | Maine | 4 | 0 | 713,180 | 1 | 2 | 109,030 | 15.29% | 56.27% | 40.98% | 2.75% | 401,306 | 292,276 | 19,598 |
| | New Mexico | 5 | 0 | 783,757 | 1 | 2 | 79,547 | 10.15% | 52.99% | 42.84% | 4.16% | 415,335 | 335,788 | 32,634 |
| | Nebraska | 0 | 5 | 794,379 | 2 | 1 | 172,983 | 21.78% | 38.03% | 59.80% | 2.17% | 302,081 | 475,064 | 17,234 |
| | Nevada | 6 | 0 | 1,014,918 | 1 | 2 | 67,806 | 6.68% | 52.36% | 45.68% | 1.97% | 531,373 | 463,567 | 19,978 |
| | Utah | 0 | 6 | 1,020,861 | 2 | 1 | 488,787 | 47.88% | 24.67% | 72.55% | 2.79% | 251,813 | 740,600 | 28,448 |
| | Arkansas | 0 | 6 | 1,069,468 | 2 | 1 | 253,335 | 23.69% | 36.88% | 60.57% | 2.55% | 394,409 | 647,744 | 27,315 |
| | Kansas | 0 | 6 | 1,157,532 | 2 | 1 | 249,901 | 21.59% | 38.00% | 59.59% | 2.40% | 439,908 | 689,809 | 27,815 |
| | Mississippi | 0 | 6 | 1,285,584 | 2 | 1 | 147,797 | 11.50% | 43.79% | 55.29% | 0.92% | 562,949 | 710,746 | 11,889 |
| | Oklahoma | 0 | 7 | 1,334,872 | 2 | 1 | 447,778 | 33.54% | 33.23% | 66.77% | 0.00% | 443,547 | 891,325 | 0 |
| | Connecticut | 7 | 0 | 1,558,993 | 1 | 2 | 270,210 | 17.33% | 58.06% | 40.72% | 1.22% | 905,109 | 634,899 | 18,985 |
| | Iowa | 6 | 0 | 1,582,180 | 1 | 2 | 91,927 | 5.81% | 51.99% | 46.18% | 1.83% | 822,544 | 730,617 | 29,019 |
| | Oregon | 7 | 0 | 1,789,270 | 1 | 2 | 216,313 | 12.09% | 54.24% | 42.15% | 3.61% | 970,488 | 754,175 | 64,607 |
| | Kentucky | 0 | 8 | 1,798,048 | 2 | 1 | 407,820 | 22.68% | 37.78% | 60.47% | 1.75% | 679,370 | 1,087,190 | 31,488 |
| | South Carolina | 0 | 9 | 1,964,118 | 2 | 1 | 205,704 | 10.47% | 44.09% | 54.56% | 1.35% | 865,941 | 1,071,645 | 26,532 |
| | Louisiana | 0 | 8 | 1,994,065 | 2 | 1 | 343,121 | 17.21% | 40.58% | 57.78% | 1.64% | 809,141 | 1,152,262 | 32,662 |
| | Alabama | 0 | 9 | 2,074,338 | 2 | 1 | 460,229 | 22.19% | 38.36% | 60.55% | 1.10% | 795,696 | 1,255,925 | 22,717 |
| | Arizona | 0 | 11 | 2,306,559 | 2 | 1 | 208,422 | 9.04% | 44.45% | 53.48% | 2.07% | 1,025,232 | 1,233,654 | 47,673 |
| | Tennessee | 0 | 11 | 2,460,904 | 2 | 1 | 501,621 | 20.38% | 39.04% | 59.42% | 1.54% | 960,709 | 1,462,330 | 37,865 |
| | Colorado | 9 | 0 | 2,571,846 | 1 | 2 | 137,859 | 5.36% | 51.45% | 46.09% | 2.47% | 1,323,102 | 1,185,243 | 63,501 |
| | Indiana | 0 | 11 | 2,633,143 | 2 | 1 | 268,597 | 10.20% | 43.84% | 54.04% | 2.13% | 1,154,275 | 1,422,872 | 55,996 |
| | Maryland | 10 | 0 | 2,707,327 | 1 | 2 | 705,975 | 26.08% | 61.97% | 35.90% | 2.13% | 1,677,844 | 971,869 | 57,614 |
| | Missouri | 0 | 10 | 2,763,689 | 2 | 1 | 258,644 | 9.36% | 44.28% | 53.64% | 2.08% | 1,223,796 | 1,482,440 | 57,453 |
| | Minnesota | 10 | 0 | 2,936,561 | 1 | 2 | 225,942 | 7.69% | 52.65% | 44.96% | 2.39% | 1,546,167 | 1,320,225 | 70,169 |
| | Wisconsin | 10 | 0 | 3,068,434 | 1 | 2 | 213,019 | 6.94% | 52.83% | 45.89% | 1.29% | 1,620,985 | 1,407,966 | 39,483 |
| | Washington | 12 | 0 | 3,145,958 | 1 | 2 | 464,726 | 14.77% | 55.80% | 41.03% | 3.18% | 1,755,396 | 1,290,670 | 99,892 |
| | Massachusetts | 11 | 0 | 3,167,767 | 1 | 2 | 733,301 | 23.15% | 60.67% | 37.52% | 1.82% | 1,921,761 | 1,188,460 | 57,546 |
| | New Jersey | 14 | 0 | 3,651,140 | 1 | 2 | 647,861 | 17.74% | 58.25% | 40.50% | 1.25% | 2,126,610 | 1,478,749 | 45,781 |
| | Virginia | 13 | 0 | 3,854,489 | 1 | 2 | 149,298 | 3.87% | 51.16% | 47.28% | 1.56% | 1,971,820 | 1,822,522 | 60,147 |
| | Georgia | 0 | 16 | 3,908,369 | 2 | 1 | 304,861 | 7.80% | 45.39% | 53.19% | 1.43% | 1,773,827 | 2,078,688 | 55,854 |
| | North Carolina | 0 | 15 | 4,505,372 | 2 | 1 | 92,004 | 2.04% | 48.35% | 50.39% | 1.26% | 2,178,391 | 2,270,395 | 56,586 |
| | Michigan | 16 | 0 | 4,745,316 | 1 | 2 | 449,313 | 9.47% | 54.04% | 44.58% | 1.38% | 2,564,569 | 2,115,256 | 65,491 |
| | Illinois | 20 | 0 | 5,251,432 | 1 | 2 | 884,296 | 16.84% | 57.50% | 40.66% | 1.84% | 3,019,512 | 2,135,216 | 96,704 |
| | Ohio | 18 | 0 | 5,590,934 | 1 | 2 | 166,272 | 2.97% | 50.58% | 47.60% | 1.82% | 2,827,709 | 2,661,437 | 101,788 |
| | Pennsylvania | 20 | 0 | 5,755,620 | 1 | 2 | 309,840 | 5.38% | 51.95% | 46.57% | 1.48% | 2,990,274 | 2,680,434 | 84,912 |
| | New York | 29 | 0 | 7,081,536 | 1 | 2 | 1,995,381 | 28.18% | 63.35% | 35.17% | 1.49% | 4,485,877 | 2,490,496 | 105,163 |
| | Texas | 0 | 38 | 7,999,657 | 2 | 1 | 1,261,719 | 15.77% | 41.35% | 57.13% | 1.52% | 3,308,124 | 4,569,843 | 121,690 |
| | Florida | 29 | 0 | 8,492,175 | 1 | 2 | 74,309 | 0.88% | 49.90% | 49.03% | 1.07% | 4,237,756 | 4,163,447 | 90,972 |
| | California | 55 | 0 | 13,055,815 | 1 | 2 | 3,014,327 | 23.09% | 60.16% | 37.07% | 2.77% | 7,854,285 | 4,839,958 | 361,572 |
| | Total | 332 | 206 | 129,237,642 | 1 | 2 | 4,984,100 | 3.86% | 51.01% | 47.15% | 1.85% | 65,918,507 | 60,934,407 | 2,384,728 |
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