| Year | Republican / Whig | Democratic | Third party | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2020 | 1,883,313 | 41.25% | 2,608,400 | 57.14% | 73,469 | 1.61% |
| 2016 | 1,601,933 | 41.00% | 2,148,278 | 54.99% | 156,512 | 4.01% |
| 2012 | 1,478,749 | 40.50% | 2,126,610 | 58.25% | 45,781 | 1.25% |
| 2008 | 1,613,207 | 41.61% | 2,215,422 | 57.14% | 48,778 | 1.26% |
| 2004 | 1,670,003 | 46.23% | 1,911,430 | 52.92% | 30,704 | 0.85% |
| 2000 | 1,284,173 | 40.29% | 1,788,850 | 56.13% | 114,203 | 3.58% |
| 1996 | 1,103,078 | 35.86% | 1,652,329 | 53.72% | 320,400 | 10.42% |
| 1992 | 1,356,865 | 40.58% | 1,436,206 | 42.95% | 550,523 | 16.47% |
| 1988 | 1,743,192 | 56.24% | 1,320,352 | 42.60% | 36,009 | 1.16% |
| 1984 | 1,933,630 | 60.09% | 1,261,323 | 39.20% | 22,909 | 0.71% |
| 1980 | 1,546,557 | 51.97% | 1,147,364 | 38.56% | 281,763 | 9.47% |
| 1976 | 1,509,688 | 50.08% | 1,444,653 | 47.92% | 60,131 | 1.99% |
| 1972 | 1,845,502 | 61.57% | 1,102,211 | 36.77% | 49,516 | 1.65% |
| 1968 | 1,325,467 | 46.10% | 1,264,206 | 43.97% | 285,722 | 9.94% |
| 1964 | 963,843 | 33.86% | 1,867,671 | 65.61% | 15,256 | 0.54% |
| 1960 | 1,363,324 | 49.16% | 1,385,415 | 49.96% | 24,372 | 0.88% |
| 1956 | 1,606,942 | 64.68% | 850,337 | 34.23% | 27,033 | 1.09% |
| 1952 | 1,374,613 | 56.81% | 1,015,902 | 41.99% | 29,039 | 1.20% |
| 1948 | 981,124 | 50.33% | 895,455 | 45.93% | 72,976 | 3.74% |
| 1944 | 961,335 | 48.95% | 987,874 | 50.31% | 14,552 | 0.74% |
| 1940 | 945,475 | 47.93% | 1,016,808 | 51.55% | 10,269 | 0.52% |
| 1936 | 720,322 | 39.57% | 1,083,850 | 59.54% | 16,265 | 0.89% |
| 1932 | 775,684 | 47.59% | 806,630 | 49.48% | 47,749 | 2.93% |
| 1928 | 926,050 | 59.77% | 616,517 | 39.79% | 6,814 | 0.44% |
| 1924 | 675,162 | 62.17% | 297,743 | 27.41% | 113,174 | 10.42% |
| 1920 | 611,541 | 67.65% | 256,887 | 28.42% | 35,515 | 3.93% |
| 1916 | 268,982 | 54.40% | 211,018 | 42.68% | 14,442 | 2.92% |
| 1912 | 88,835 | 20.53% | 178,289 | 41.20% | 165,615 | 38.27% |
| 1908 | 265,326 | 56.79% | 182,567 | 39.08% | 19,305 | 4.13% |
| 1904 | 245,164 | 56.68% | 164,566 | 38.05% | 22,817 | 5.28% |
| 1900 | 221,754 | 55.27% | 164,879 | 41.10% | 14,573 | 3.63% |
| 1896 | 221,535 | 59.68% | 133,695 | 36.02% | 15,981 | 4.31% |
| 1892 | 156,101 | 46.24% | 171,066 | 50.67% | 10,456 | 3.10% |
| 1888 | 144,360 | 47.52% | 151,508 | 49.87% | 7,933 | 2.61% |
| 1884 | 123,440 | 47.31% | 127,798 | 48.98% | 9,683 | 3.71% |
| 1880 | 120,555 | 49.02% | 122,565 | 49.84% | 2,808 | 1.14% |
| 1876 | 103,517 | 47.01% | 115,962 | 52.66% | 714 | 0.32% |
| 1872 | 91,656 | 54.52% | 76,456 | 45.48% | 0 | 0.00% |
| 1868 | 80,131 | 49.12% | 83,001 | 50.88% | 0 | 0.00% |
| 1864 | 60,723 | 47.16% | 68,024 | 52.84% | 0 | 0.00% |
| 1860 | 58,346 | 48.13% | 62,869 | 51.87% | 0 | 0.00% |
| 1856 | 28,338 | 28.51% | 46,943 | 47.23% | 24,115 | 24.26% |
| 1852 | 38,556 | 46.33% | 44,305 | 53.24% | 359 | 0.43% |
| 1848 | 40,015 | 51.48% | 36,901 | 47.47% | 819 | 1.05% |
| 1844 | 38,318 | 50.46% | 37,495 | 49.37% | 131 | 0.17% |
| 1840 | 33,351 | 51.74% | 31,034 | 48.15% | 69 | 0.11% |
| 1836 | 26,137 | 50.53% | 25,592 | 49.47% | 0 | 0.00% |
New Jersey is one of the fifty U.S. states. The state is considered a stronghold of the Democratic Party and has supported the Democratic candidate in every presidential election since 1992. Democrats have also controlled both chambers of the state legislature since 2004. New Jersey currently has two Democratic United States senators. New Jersey's Class I Senate seat has been Democratic since 1959 (aside from the eight-month tenure of Nicholas F. Brady in 1982). New Jersey's Class II Senate seat has been Democratic since 1979 (aside from the four-month tenure of Jeffrey Chiesa in 2013). In addition, New Jersey's House congressional delegation has had a Democratic majority since 1965, except for a period between 1995-1999 and 2013-2017. As of July 1, 2020, there were more registered Democrats than unaffiliated voters for the first time in history, as there are more Democrats than Republicans as well.