New Jersey
Republican incumbent Clifford P. Case was reelected to a third term in a landslide over Democratic Middlesex County Attorney Warren W. Wilentz.
Hatfield would be re-elected to five more terms, most comfortably, before retiring from the Senate in 1996. Duncan sought revenge against Morse in the Democratic primary of the 1968 Senate election, but came in second in a close three-way primary that he might have won had not a third candidate drawn off some anti-Morse votes.
Rhode Island
Democratic incumbent Claiborne Pell was reelected to a second term over Republican challenger Ruth M. Briggs.
Texas
Incumbent Republican John Tower was reelected to a second term, defeating Democratic State Attorney General Waggoner Carr.