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| Elections in Iowa |
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The 1966 United States Senate election in Iowa took place on November 8, 1966. Incumbent Republican Senator Jack Miller was re-elected to a second term in office over Democrat E.B. Smith.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Jack Miller (incumbent) | 141,141 | 83.94% | |
| Republican | Herbert F. Hoover | 27,007 | 16.06% | |
| Total votes | 168,148 | 100.00% | ||
Following his loss, Hoover registered to run in the general election as the "Iowa Party" candidate.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | E.B. Smith | 39,870 | 50.14% | |
| Democratic | Gary Cameron | 22,650 | 28.49% | |
| Democratic | Ernest J. Seemann | 8,646 | 10.87% | |
| Democratic | Robert L. Nereim | 8,343 | 10.49% | |
| Write-in | All others | 2 | 0.00% | |
| Total votes | 79,511 | 100.00% | ||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | Jack Miller (incumbent) | 522,339 | 60.92% |  9.00 | |
| Democratic | E.B. Smith | 324,114 | 37.80% |  10.28 | |
| American Constitution | Robert D. Dilley | 3,826 | 0.45% | N/A | |
| Peace Independent | Fred R. Benton | 3,050 | 0.10% | N/A | |
| Iowa | Herbert F. Hoover | 2,085 | 0.24% | N/A | |
| National Prohibition | Verne Higens | 2,081 | 0.24% | N/A | |
| Write-in | All others | 1 | 0.00% | N/A | |
| Total votes | 857,496 | 100.00% | |||
The 1984 United States Senate elections were held on November 6, with the 33 seats of Class 2 contested in regular elections. They coincided with the landslide re-election of President Ronald Reagan in the presidential election. In spite of the lopsided presidential race, Reagan's Republican Party suffered a net loss of two Senate seats to the Democrats, although it retained control of the Senate with a reduced 53-47 majority. Democrats defeated incumbents in Illinois and Iowa, and won an open seat in Tennessee, while Republicans defeated an incumbent in Kentucky.
The 1978 United States Senate elections were held on November 7, in the middle of Democratic President Jimmy Carter's term. The 33 seats of Class 2 were contested in regular elections. Special elections were also held to fill vacancies.
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 1932 United States Senate elections coincided with Democrat Franklin D. Roosevelt's landslide victory over incumbent Herbert Hoover in the presidential election. The 32 seats of Class 3 were contested in regular elections, and special elections were held to fill vacancies.
The 1998 United States Senate election in Maryland was held November 3, 1998. Incumbent Democratic U.S. Senator Barbara Mikulski won re-election to a third term.
The 1932 United States Senate elections in Arizona took place on November 8, 1932. Incumbent Democratic U.S. Senator Carl Hayden ran for reelection to a second term, again defeating his 1926 challenger former U.S. Senator Ralph H. Cameron in the general election.
The 1920 United States Senate elections in Arizona took place on November 2, 1920. Incumbent Democratic U.S. Senator Marcus A. Smith ran for reelection to a third term, but was defeated by former Delegate to the U.S. House of Representatives from the Arizona Territory Ralph H. Cameron in the general election. Cameron would become the first Republican elected to the office of U.S. Senator from Arizona since the state joined the union in 1912. The same year, Republican Governor Thomas Edward Campbell was reelected to a second term.
The 1950 United States Senate elections in Arizona took place on November 7, 1950. Incumbent Democratic U.S. Senator Carl Hayden ran for reelection to a fifth term, defeating Republican nominee Bruce Brockett in the general election. Brockett was formerly the Republican nominee for governor in both 1946 and 1948.
The 1962 United States Senate election in Arizona took place on November 6, 1962. Incumbent Democratic U.S. Senator Carl Hayden ran for reelection to a seventh term, defeating Republican State Senator Evan Mecham in the general election. Mecham became Governor of Arizona more than two decades later, and was subsequently impeached and removed from office.
The 1968 United States Senate election in Maryland was held on November 5, 1968. Incumbent Democratic U.S. Senator Daniel Brewster ran for re-election to a second term in office but was defeated by Republican U.S. Representative Charles Mathias. Mathias may have benefited from the campaign of George P. Mahoney, the 1966 Democratic nominee for Governor of Maryland, who ran on the George Wallace American Independent ticket and garnered a significant chunk of the vote.
The 1924 United States Senate election in Iowa took place on November 4, 1924. Incumbent Republican Senator Smith W. Brookhart ran for re-election to a full term in office against Democrat Daniel F. Steck.
The 1942 United States Senate election in Iowa took place on November 3, 1942. Incumbent Democratic Senator Clyde Herring ran for re-election to a second term but was defeated by Republican Governor George A. Wilson.
The 1948 United States Senate election in Iowa took place on November 2, 1948. Incumbent Republican Senator George A. Wilson ran for re-election to a second term but was defeated by Democratic former Senator Guy Gillette.
The 1922 United States Senate special election in Iowa took place on November 7, 1922. Republican Smith W. Brookhart was elected to complete the unexpired term of William S. Kenyon, defeating Democrat Clyde Herring.
The 1934 United States Senate election in Maryland was held on November 5, 1934.
The 1936 United States Senate election in Iowa took place on November 3, 1936. Incumbent Republican Senator Lester J. Dickinson ran for re-election to a second term but was defeated by Democratic Governor Clyde Herring.
The 1960 United States Senate election in Iowa took place on November 8, 1960. Incumbent Republican Senator Thomas E. Martin did not run for re-election to a second term. Jack Miller won the open seat by defeating Democratic Governor Herschel Loveless.
The 1962 United States Senate election in Maryland was held on November 6, 1962. Incumbent Republican U.S. Senator John Marshall Butler did not run for re-election to a third term in office. Democratic U.S. Representative Daniel Brewster won the re-election to succeed him easily over Republican U.S. Representative Edward Tylor Miller.
The 1962 United States Senate election in Iowa took place on November 6, 1962. Incumbent Republican Senator Bourke B. Hickenlooper was re-elected to a fourth term in office over Democrat E.B. Smith.
The 1972 United States Senate election in Iowa took place on November 7, 1972. Incumbent Republican U.S. Senator Jack Miller ran for re-election to a third term but was defeated by Democrat Dick Clark.
