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| Map | Pie | Year | EV | EV | EV | Total | D | R | I | Margin | %Margin | Dem | Rep | Ind | Oth. | Dem | Rep | Ind | Other |
| 2020 | 306 | 232 | 0 | 158,590,894 | 1 | 2 | 10 | 7,060,520 | 4.45% | 51.26% | 46.80% | 0.03% | 1.91% | 81,286,365 | 74,225,845 | 49,802 | 3,028,882 | ||
| 2016 | 227 | 304 | 7 | 137,143,218 | 1 | 2 | 6 | 2,868,524 | 2.09% | 48.02% | 45.93% | 0.53% | 5.52% | 65,853,677 | 62,985,153 | 732,409 | 7,571,979 | ||
| 2012 | 332 | 206 | 0 | 129,237,642 | 1 | 2 | - | 4,984,100 | 3.86% | 51.01% | 47.15% | 0.00% | 1.85% | 65,918,507 | 60,934,407 | 0 | 2,384,728 | ||
| 2008 | 365 | 173 | 0 | 131,473,705 | 1 | 2 | - | 9,549,105 | 7.26% | 52.86% | 45.60% | 0.00% | 1.54% | 69,499,428 | 59,950,323 | 0 | 2,023,954 | ||
| 2004 | 251 | 286 | 1 | 122,303,590 | 2 | 1 | - | 3,012,457 | 2.46% | 48.26% | 50.73% | 0.00% | 1.01% | 59,027,115 | 62,039,572 | 0 | 1,236,903 | ||
| 2000 | 266 | 271 | 1 | 105,425,985 | 1 | 2 | 3 | 547,398 | 0.52% | 48.38% | 47.87% | 2.74% | 1.02% | 51,009,810 | 50,462,412 | 2,883,443 | 1,070,320 | ||
| 1996 | 379 | 159 | 0 | 96,275,640 | 1 | 2 | 3 | 8,201,370 | 8.52% | 49.23% | 40.72% | 8.40% | 1.65% | 47,400,125 | 39,198,755 | 8,085,402 | 1,591,358 | ||
| 1992 | 370 | 168 | 0 | 104,426,611 | 1 | 2 | 3 | 5,805,256 | 5.56% | 43.01% | 37.45% | 18.91% | 0.64% | 44,909,806 | 39,104,550 | 19,743,821 | 668,434 | ||
| 1988 | 111 | 426 | 1 | 91,594,686 | 2 | 1 | - | 7,077,103 | 7.73% | 45.65% | 53.37% | 0.00% | 0.98% | 41,809,485 | 48,886,588 | 0 | 898,613 | ||
| 1984 | 13 | 525 | 0 | 92,653,233 | 2 | 1 | - | 16,878,120 | 18.22% | 40.56% | 58.77% | 0.00% | 0.67% | 37,577,352 | 54,455,472 | 0 | 620,409 | ||
| 1980 | 49 | 489 | 0 | 86,509,678 | 2 | 1 | 3 | 8,423,115 | 9.74% | 41.01% | 50.75% | 6.61% | 1.63% | 35,480,115 | 43,903,230 | 5,719,850 | 1,406,483 | ||
| 1976 | 297 | 240 | 1 | 81,540,780 | 1 | 2 | - | 1,683,247 | 2.06% | 50.08% | 48.01% | 0.00% | 1.91% | 40,831,881 | 39,148,634 | 0 | 1,560,265 | ||
| 1972 | 17 | 520 | 1 | 77,744,030 | 2 | 1 | - | 17,995,488 | 23.15% | 37.52% | 60.67% | 0.00% | 1.80% | 29,173,222 | 47,168,710 | 0 | 1,402,098 | ||
| 1968 | 191 | 301 | 46 | 73,199,999 | 2 | 1 | 3 | 511,944 | 0.70% | 42.72% | 43.42% | 13.53% | 0.33% | 31,271,839 | 31,783,783 | 9,901,118 | 243,259 | ||
| 1964 | 486 | 52 | 0 | 70,641,539 | 1 | 2 | 3 | 15,953,286 | 22.58% | 61.05% | 38.47% | 0.30% | 0.18% | 43,129,040 | 27,175,754 | 210,732 | 126,013 | ||
| 1960 | 303 | 219 | 15 | 68,832,483 | 1 | 2 | 3 | 112,827 | 0.16% | 49.72% | 49.55% | 0.42% | 0.32% | 34,220,984 | 34,108,157 | 286,359 | 216,983 | ||
| 1956 | 73 | 457 | 1 | 62,021,979 | 2 | 1 | 3 | 9,551,152 | 15.40% | 41.97% | 57.37% | 0.32% | 0.35% | 26,028,028 | 35,579,180 | 196,318 | 218,453 | ||
| 1952 | 89 | 442 | 0 | 61,552,211 | 2 | 1 | - | 6,622,260 | 10.76% | 44.38% | 55.14% | 0.00% | 0.49% | 27,314,992 | 33,937,252 | 0 | 299,967 | ||
| 1948 | 303 | 189 | 39 | 48,794,565 | 1 | 2 | 3 | 2,188,055 | 4.48% | 49.55% | 45.07% | 2.41% | 2.97% | 24,179,347 | 21,991,292 | 1,175,946 | 1,447,980 | ||
| 1944 | 432 | 99 | 0 | 47,977,092 | 1 | 2 | - | 3,594,987 | 7.49% | 53.39% | 45.89% | 0.00% | 0.72% | 25,612,916 | 22,017,929 | 0 | 346,247 | ||
| 1940 | 449 | 82 | 0 | 49,912,852 | 1 | 2 | - | 4,966,106 | 9.95% | 54.72% | 44.77% | 0.00% | 0.50% | 27,314,449 | 22,348,343 | 0 | 250,060 | ||
| 1936 | 523 | 8 | 0 | 45,654,388 | 1 | 2 | - | 11,073,857 | 24.26% | 60.80% | 36.54% | 0.00% | 2.66% | 27,757,431 | 16,683,574 | 0 | 1,213,383 | ||
| 1932 | 472 | 59 | 0 | 39,752,454 | 1 | 2 | - | 7,059,981 | 17.76% | 57.41% | 39.65% | 0.00% | 2.94% | 22,821,513 | 15,761,532 | 0 | 1,169,409 | ||
| 1928 | 87 | 444 | 0 | 36,808,961 | 2 | 1 | - | 6,412,721 | 17.42% | 40.79% | 58.22% | 0.00% | 0.99% | 15,015,863 | 21,428,584 | 0 | 364,514 | ||
| 1924 | 136 | 382 | 13 | 29,092,624 | 2 | 1 | 3 | 7,334,727 | 25.21% | 28.82% | 54.03% | 16.62% | 0.53% | 8,384,341 | 15,719,068 | 4,833,821 | 155,394 | ||
| 1920 | 127 | 404 | 0 | 26,788,225 | 2 | 1 | - | 7,025,870 | 26.23% | 34.12% | 60.35% | 0.00% | 5.53% | 9,140,256 | 16,166,126 | 0 | 1,481,843 | ||
| 1916 | 277 | 254 | 0 | 18,541,312 | 1 | 2 | - | 581,161 | 3.13% | 49.25% | 46.11% | 0.00% | 4.64% | 9,130,861 | 8,549,700 | 0 | 860,751 | ||
| 1912 | 435 | 8 | 88 | 15,046,540 | 1 | 3 | 2 | 2,172,775 | 14.44% | 41.83% | 23.18% | 27.39% | 7.59% | 6,294,384 | 3,487,939 | 4,121,609 | 1,142,608 | ||
| 1908 | 162 | 321 | 0 | 14,889,109 | 2 | 1 | - | 1,269,167 | 8.52% | 43.04% | 51.57% | 0.00% | 5.39% | 6,409,007 | 7,678,174 | 0 | 801,928 | ||
| 1904 | 140 | 336 | 0 | 13,525,759 | 2 | 1 | - | 2,546,020 | 18.82% | 37.59% | 56.42% | 0.00% | 5.99% | 5,084,537 | 7,630,557 | 0 | 810,665 | ||
| 1900 | 155 | 292 | 0 | 13,971,846 | 2 | 1 | - | 860,134 | 6.16% | 45.51% | 51.66% | 0.00% | 2.83% | 6,358,149 | 7,218,283 | 0 | 395,414 | ||
| 1896 | 176 | 271 | 0 | 13,938,674 | 2 | 1 | - | 601,331 | 4.31% | 46.71% | 51.02% | 0.00% | 2.27% | 6,510,807 | 7,112,138 | 0 | 315,729 | ||
| 1892 | 277 | 145 | 22 | 12,068,027 | 1 | 2 | 3 | 363,099 | 3.01% | 46.02% | 43.01% | 8.51% | 2.46% | 5,553,898 | 5,190,799 | 1,026,595 | 296,735 | ||
| 1888 | 168 | 233 | 0 | 11,388,846 | 1 | 2 | - | 94,530 | 0.83% | 48.63% | 47.80% | 0.00% | 3.57% | 5,538,163 | 5,443,633 | 0 | 407,050 | ||
| 1884 | 219 | 182 | 0 | 10,060,145 | 1 | 2 | - | 57,579 | 0.57% | 48.85% | 48.28% | 0.00% | 2.87% | 4,914,482 | 4,856,903 | 0 | 288,760 | ||
| 1880 | 155 | 214 | 0 | 9,217,410 | 2 | 1 | - | 9,070 | 0.10% | 48.22% | 48.31% | 0.00% | 3.47% | 4,444,267 | 4,453,337 | 0 | 319,806 | ||
| 1876 | 184 | 185 | 0 | 8,418,659 | 1 | 2 | - | 252,666 | 3.00% | 50.92% | 47.92% | 0.00% | 1.16% | 4,286,808 | 4,034,142 | 0 | 97,709 | ||
| 1872 | 66 | 286 | 0 | 6,471,983 | 2 | 1 | - | 763,729 | 11.80% | 43.78% | 55.58% | 0.00% | 0.63% | 2,833,710 | 3,597,439 | 0 | 40,834 | ||
| 1868 | 80 | 214 | 0 | 5,722,816 | 2 | 1 | - | 304,810 | 5.33% | 47.34% | 52.66% | 0.00% | 0.00% | 2,708,980 | 3,013,790 | 0 | 46 | ||
| 1864 | 21 | 212 | 0 | 4,018,202 | 2 | 1 | - | 405,090 | 10.08% | 44.95% | 55.03% | 0.00% | 0.02% | 1,806,227 | 2,211,317 | 0 | 658 | ||
| 1860 | 12 | 180 | 111 | 4,681,267 | 2 | 1 | 3 | 474,049 | 10.13% | 29.52% | 39.65% | 18.20% | 12.64% | 1,381,944 | 1,855,993 | 851,844 | 591,486 | ||
| 1856 | 174 | 114 | 8 | 4,051,605 | 1 | 2 | 3 | 494,472 | 12.20% | 45.29% | 33.09% | 21.54% | 0.08% | 1,835,140 | 1,340,668 | 872,703 | 3,094 |