The 1984 United States Senate election in New Jersey was held on November 6, 1984. Incumbent Democrat Bill Bradley defeated Republican nominee Mary V. Mochary with 64.16% of the vote, winning every county in the state. To date, this is the most recent time Hunterdon, Sussex, and Warren counties were won by a Democrat in a statewide election. This was also the last time Morris County voted Democratic in a statewide election until 2020, where Senator Cory Booker won the county in his reelection and Joe Biden won the county in the 2020 presidential race.
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 County results Bradley: 50–60% 60–70% 70–80% | |||||||||||||||||
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Primary elections
Primary elections were held on June 5, 1984.[1]
Democratic primary
Candidates
- Bill Bradley, incumbent U.S. Senator
- Elliot Greenspan, perennial candidate
Results
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Bill Bradley (incumbent) | 404,301 | 92.95% | |
| Democratic | Elliot Greenspan | 30,680 | 7.05% | |
| Total votes | 434,981 | 100.00% | ||
Republican primary
Candidates
Results
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Mary V. Mochary | 111,851 | 61.37% | |
| Republican | Robert J. Morris | 70,418 | 38.63% | |
| Total votes | 182,269 | 100.00% | ||
General election
Candidates
- Bill Bradley, incumbent Senator since 1979 (Democratic)
- Jasper C. Gould (Independent)
- James T. Hagen (Independent)
- Harold F. Leiendecker (Libertarian)
- Jules Levin (Socialist Labor)
- Mary V. Mochary, mayor of Montclair (Republican)
- Priscilla Schenk (Socialist Workers)
Campaign
Mochary was forced to suspend her campaign in October due to her husband's life-threatening illness. She traveled with her husband to Stanford, California for an experimental heart transplant.[2]
Results
| Party | Candidate | Votes | % | ||
|---|---|---|---|---|---|
| Democratic | Bill Bradley (incumbent) | 1,986,644 | 64.16% | ||
| Republican | Mary V. Mochary | 1,080,100 | 34.88% | ||
| Independent | James T. Hagen | 10,409 | 0.34% | ||
| Libertarian | Harold F. Leiendecker | 7,135 | 0.23% | ||
| Socialist Labor | Jules Levin | 6,053 | 0.20% | ||
| Socialist Workers | Priscilla Schenk | 3,224 | 0.10% | ||
| Independent | Jasper C. Gould | 2,891 | 0.09% | ||
| Total votes | 3,096,456 | 100.00% | |||
| Democratic hold | |||||