On this page you will be able to view, search and filter through previous presidential election results for Union County going back to the year 1920. Using the two tabs above, you can search by name, year, and party. When viewing from a mobile phone, please view it in landscape mode.
* Results obtained through the NJ State Library
** There is no complete data for this election race
Total votes includes machine votes, absentee, provisional and overseas votes
| Year | Election | Registered | Votes Cast |
|---|---|---|---|
| 2020 | General | 372854 | 258344 |
| 2020 | Primary | 353739 | 90668 |
| 2016 | General | 329324 | 226793 |
| 2016 | Primary | 313822 | 79470 |
| 2012 | General | 307628 | 211597 |
| 2012 | Primary | 292884 | 45046 |
| 2008 | Primary | 263643 | 102779 |
| 2008 | General | 299762 | 223951 |
| 2004 | Primary | 263068 | 29096 |
| 2004 | General | 283270 | 204759 |
| 2000 | Primary | 262632 | 60281 |
| 2000 | General | 272236 | 189265 |
| 1996 | Primary | 251275 | 45064 |
| 1996 | General | 264480 | 190225 |
| 1992 | **Primary | 233856 | 60310 |
| 1992 | General | 252399 | 210752 |
| 1988 | Primary | 244319 | 77065 |
| 1988 | General | 262395 | 210600 |
| 1984 | Primary | 257205 | 75276 |
| 1984 | General | 276240 | 230298 |
| 1980 | **Primary | 254382 | 150454 |
| 1980 | General | 261769 | 219131 |
| 1976 | **Primary | 268768 | 82052 |
| 1976 | General | 286216 | 232224 |
| 1972 | **Primary | 275456 | 75586 |
| 1972 | General | 293520 | 245528 |
| 1968 | */**Primary | 258280 | 76499 |
| 1968 | General | 272514 | 242238 |
| 1964 | **Primary | 254735 | 69833 |
| 1964 | General | 276117 | 252190 |
| 1960 | **Primary | 235991 | 81417 |
| 1960 | General | 263887 | 256624 |
| 1956 | **Primary | 215070 | 67582 |
| 1956 | General | 241687 | 221020 |
| 1952 | Primary | 193756 | 86375 |
| 1952 | General | 224055 | 205600 |
| 1948 | **Primary | 175485 | 50667 |
| 1948 | General | 194188 | 164503 |
| 1944 | **Primary | 157993 | 40286 |
| 1944 | General | 185347 | 152819 |
| 1940 | */**Primary | 154296 | 58872 |
| 1940 | General | 176047 | 153816 |
| 1936 | **Primary | 136410 | 64959 |
| 1936 | General | 155291 | 135564 |
| 1932 | **Primary | 127234 | 59810 |
| 1932 | **General | 144652 | 126490 |
| 1928 | */**Primary | 94315 | 50397 |
| 1928 | **General | 119323 | 104332 |
| 1924 | Primary | 42704 | 12045 |
| 1924 | General | 88764 | 76105 |
| 1920 | *Primary | 29877 | 9080 |
| 1920 | *General | 67235 | 54303 |