The 1966 United States Senate election in New Jersey was held on November 8, 1966. Incumbent Republican Clifford P. Case defeated Democratic nominee Warren W. Wilentz with 60.02% of the vote.

Primary elections were held on September 13, 1966. Case was unopposed, while Wilentz easily won his primary over Dr. David Frost, who opposed the Vietnam War, and John J. Winberry, who ran on opposition to the state sales tax.

Republican primary Candidates Clifford P. Case, incumbent United States Senator

Results

Democratic primary Candidates Jerry Charles Burmeister, patent development executive Clarence Coggins, Jersey City resident David Frost, research biologist and peace activist Warren W. Wilentz, former Middlesex County Attorney John J. Winberry, former Deputy Attorney General of New Jersey

Results

General election Candidates Clifford P. Case, incumbent Senator since 1955 (Republican) Jules Levin (Socialist Labor) Robert Lee Schlachter (Independent) Warren W. Wilentz, former Middlesex County Attorney (Democratic)

Results

By county County Case % Case votes Wilentz % Wilentz votes Other % Other votes Atlantic 61.5% 37,458 34.6% 21,040 3.9% 2,391 Bergen 63.7% 194,978 33.5% 102,390 2.8% 8,551 Burlington 63.5% 41,850 34.0% 22,407 2.5% 1,676 Camden 58.7% 78,068 38.7% 51,491 2.6% 3,420 Cape May 66.7% 14,688 30.6% 6,732 2.6% 588 Cumberland 60.5% 20,907 38.4% 13,250 1.2% 387 Essex 59.1% 152,761 37.5% 96,970 3.4% 8,744 Gloucester 62.6% 32,284 35.1% 17,823 1.2% 628 Hudson 40.4% 83,196 56.0% 115,239 3.6% 7,398 Hunterdon 66.1% 13,164 31.3% 6,241 2.6% 515 Mercer 59.3% 51,402 38.9% 33,696 1.8% 1,615 Middlesex 58.8% 100,204 39.2% 66,894 2.0% 3,339 Monmouth 64.7% 80,622 32.9% 66,894 2.4% 2,985 Morris 69.0% 68,107 27.1% 26,725 2.9% 3,913 Ocean 66.6% 35,116 31.3% 16,503 2.1% 1,122Passaic 56.8% 77,005 39.3% 53,378 3.9% 5,270 Salem 56.4% 11,702 42.7% 8,870 0.9% 189 Somerset 67.6% 39,062 27.7% 15,986 4.7% 2,739 Sussex 64.7% 13,424 33.1% 6,872 2.1% 445 Union 65.7% 121,403 30.1% 55,639 4.2% 7,624 Warren 56.7% 11,942 42.0% 8,848 1.4% 285

Counties that flipped from Democratic to Republican Mercer Middlesex

References