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 County results Cameron: 50–60% 60–70% Smith: 50–60% 60–70% | |||||||||||||||||
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| Elections in Arizona | ||||||||
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The1920 United States Senate election in Arizona took place on November 2, 1920. Incumbent Democratic U.S. SenatorMarcus A. Smith ran for reelection to a third term, but was defeated by former Delegate to theU.S. House of Representatives from theArizona TerritoryRalph 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 GovernorThomas Edward Campbell wasreelected to a second term. This was the last time until1968 that a Republican would be elected to the Class 3 Senate seat in Arizona.
The Democratic primary took place on September 8, 1920. Incumbent U.S. SenatorMarcus A. Smith was the recipient of a significant challenge in the Democratic primary, notably by Maricopa County Superior Court judgeRawghlie Clement Stanford, who would go on to become Arizona's fifth Governor in 1937. Fellow lawyer Albinus A. Worsley, as well as John W. Norton also ran in the primary. Smith narrowly staved off his primary challengers and went on to compete in the general election in November.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Marcus A. Smith (incumbent) | 10,910 | 37.1% | |
| Democratic | Rawghlie Clement Stanford | 8,400 | 28.5% | |
| Democratic | Albinus A. Worsley | 7,474 | 25.4% | |
| Democratic | John W. Norton | 2,651 | 9.0% | |
| Total votes | 29,435 | 100.0 | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Ralph H. Cameron | 4,587 | 40.7% | |
| Republican | Elias S. Clark | 3,941 | 34.9% | |
| Republican | Thomas Maddock | 2,194 | 19.4% | |
| Republican | Edward Robinson | 563 | 5.0% | |
| Total votes | 11,285 | 100.0 | ||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | Ralph H. Cameron | 35,893 | 55.17% | +36.22% | |
| Democratic | Marcus A. Smith (incumbent) | 29,169 | 44.83% | −8.40% | |
| Majority | 6,724 | 10.33% | −23.95% | ||
| Turnout | 65,062 | ||||
| Republicangain fromDemocratic | Swing | ||||
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