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 County results Jordan: 50–60% 60–70% Harding: 50–60% 60–70% 70–80% | |||||||||||||||||
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| Elections in Idaho |
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The 1966 United States Senate election in Idaho took place on November 8, 1966. Incumbent Republican Senator Leonard B. Jordan was re-elected to a second term in office over Democratic U.S. Representative Ralph R. Harding.
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | Leonard B. Jordan (incumbent) | 139,819 | 55.38% |  4.43 | |
| Democratic | Ralph R. Harding | 112,637 | 44.62% |  4.43 | |
| Total votes | 252,456 | 100.00% | |||
The 1972 United States Senate elections were held on November 7, with the 33 seats of Class 2 contested in regular elections. They coincided with the landslide re-election of Republican President Richard Nixon. Despite Nixon's landslide victory, Democrats increased their majority by two seats. The Democrats picked up open seats in Kentucky and South Dakota, and defeated four incumbent senators: Gordon Allott of Colorado, J. Caleb Boggs of Delaware, Jack Miller of Iowa, and Margaret Chase Smith of Maine. The Republicans picked up open seats in New Mexico, North Carolina, and Oklahoma, and defeated one incumbent, William B. Spong Jr. of Virginia.
The 89th United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C., from January 3, 1965, to January 3, 1967, during the second and third years of Lyndon B. Johnson's presidency. The apportionment of seats in the House of Representatives was based on the 1960 United States census.
The 1966 United States Senate election in West Virginia was held on November 8, 1966. Incumbent Democratic U.S. Senator Jennings Randolph won re-election to a third term and a second full term.
The 1966 United States elections were held on November 8, 1966, and elected the members of the 90th United States Congress. The election was held in the middle of Democratic President Lyndon B. Johnson's second term, and during the Vietnam War. Johnson's Democrats lost forty-seven seats to the Republican Party in the House of Representatives. The Democrats also lost three seats in the U.S. Senate to the Republicans. Despite their losses, the Democrats retained control of both chambers of Congress. Republicans won a large victory in the gubernatorial elections, with a net gain of seven seats. This was the first election held after the passage of the Voting Rights Act of 1965, which led to a surge in African-American voter participation.
The 1976 United States Senate election in Ohio took place on November 2, 1976. Incumbent Republican senator Robert Taft, Jr. ran for re-election to second term. Democrat Howard Metzenbaum, who had briefly served in the Senate in 1974, unseated Taft in a rematch of the 1970 election.
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The 1964 United States Senate election in Texas was held on November 3, 1964. Incumbent Democratic US Senator Ralph Yarborough defeated future US President George H. W. Bush handily. This would prove to be Yarborough's final term as a senator. Bush later went on to win an election for the US House of Representatives in 1966 and was subsequently elected US Vice President in 1980, re-elected in 1984, and was elected president in 1988.
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The 1966 United States Senate election in Kansas took place on November 8, 1966, concurrently with elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.
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The 1966 United States Senate election in New Mexico was held on November 8, 1966. Incumbent Democratic U.S. Senator Clinton Anderson won re-election to a fourth term. Democrats would not win this seat again until 2008.
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The 1978 United States Senate election in Iowa took place on November 7, 1978. Incumbent Democratic Senator Dick Clark ran for re-election to a second term but was defeated by Republican former Lieutenant Governor Roger Jepsen. This was the last time until 2014 that a Republican would win Iowa's class 2 Senate seat.
The 1968 United States Senate election in Kentucky took place on November 5, 1968. Incumbent Republican U.S. Senator Thruston Morton retired from office. Jefferson County Judge Marlow Cook won the open seat.
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