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Election 1966 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1966 US Senate election in New Jersey

Clifford P. Case (Republican) beat Warren W. Wilentz (Democrat) in New Jersey in 1966, 60.0% to 37.0%, a margin of 23.0 points and 490,822 votes.

The Republican hold continued from 1960, when Clifford P. Case also won.

Republicans led in 20 of the 21 counties as they stood then and Democrats in 1. The largest, Bergen, cast 305,919 votes and went to the Republican by 30.3 points. The closest was Salem, where 2,832 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
Clifford P. Case won Republican 1,278,843 60.0%
Warren W. Wilentz Democratic 788,021 37.0%
All other candidates 63,824 3.0%
Total2,130,688

Every county

CountyDemocratRepublicanOthersTotalMargin
Bergen 102,390 33.5% 194,978 63.7% 8,551 305,919 R+30.3
Essex 96,970 37.5% 152,761 59.1% 8,744 258,475 R+21.6
Hudson 115,239 56.0% 83,196 40.4% 7,398 205,833 D+15.6
Union 55,639 30.2% 120,903 65.6% 7,624 184,166 R+35.4
Middlesex 66,894 39.2% 100,204 58.8% 3,339 170,437 R+19.5
Passaic 53,378 39.3% 77,005 56.8% 5,270 135,653 R+17.4
Camden 51,491 38.7% 78,068 58.7% 3,420 132,979 R+20.0
Monmouth 41,027 32.9% 80,622 64.7% 2,985 124,634 R+31.8
Morris 26,725 27.1% 68,107 69.0% 3,913 98,745 R+41.9
Mercer 33,696 38.9% 51,402 59.3% 1,615 86,713 R+20.4
Burlington 22,407 34.0% 41,850 63.5% 1,676 65,933 R+29.5
Atlantic 21,040 34.6% 37,458 61.5% 2,391 60,889 R+27.0
Somerset 15,986 27.7% 39,062 67.6% 2,739 57,787 R+39.9
Ocean 16,503 31.3% 35,116 66.6% 1,122 52,741 R+35.3
Gloucester 17,823 35.1% 32,284 63.6% 628 50,735 R+28.5
Cumberland 13,250 38.4% 20,907 60.5% 387 34,544 R+22.2
Cape May 6,732 30.6% 14,688 66.7% 588 22,008 R+36.2
Warren 8,848 42.0% 11,942 56.7% 285 21,075 R+14.7
Salem 8,870 42.7% 11,702 56.4% 189 20,761 R+13.6
Sussex 6,872 33.1% 13,424 64.7% 445 20,741 R+31.6
Hunterdon 6,241 31.3% 13,164 66.1% 515 19,920 R+34.8

Counties as they stood in 1966; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

New Jersey Senate elections we hold

YearWinnerMargin
2024 Andy Kim (D) D+9.6
2020 Cory Booker (D) D+16.3
2018 Robert Menendez (D) D+11.2
2014 Cory A. Booker (D) D+13.5
2012 Robert Menendez (D) D+19.5
2008 Frank R. Lautenberg (D) D+14.1
2006 Bob Menendez (D) D+9.0
2002 Frank R. Lautenberg (D) D+9.9
2000 Jon S. Corzine (D) D+3.0
1996 Robert Torricelli (D) D+10.2
1994 Frank Lautenberg (D) D+3.3
1990 Bill Bradley (D) D+3.0
1988 Frank R. Lautenberg (D) D+8.4
1984 Bill Bradley (D) D+29.3
1982 Frank R. Lautenberg (D) D+3.1
1978 Bill Bradley (D) D+12.2
1976 Harrison A. Williams, Jr. (D) D+22.6
1972 Clifford P. Case (R) R+27.9
1970 Harrison Williams Jr. (D) D+11.9
1966 Clifford P. Case (R) R+23.0
1964 Harrison Williams Jr. (D) D+24.6
1960 Clifford P. Case (R) R+12.5
1958 Harrison Williams Jr. (D) D+4.5
1954 Clifford P. Case (R) R+0.2
1952 H. Alexander Smith (R) R+11.9
1948 Robert C. Hendrickson (R) R+2.7
1946 H. Alexander Smith (R) R+18.4
1942 Albert W. Hawkes (R) R+7.3
1940 W. Warren Barbour (R) R+11.0
1936 William H. Smathers (D) D+10.6
1934 A. Harry Moore (D) D+17.1
1930 Dwight T. Morrow (R) R+19.5
1928 Hamilton F. Kean (R) R+16.0
1924 Walter E. Edge (R) R+28.2
1922 Edward I. Edwards (D) D+10.9
1918 Walter E. Edge (R) R+7.1
1916 Joseph Frelinghuysen (R) R+17.1