# 1970 United States Senate election in Arizona

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The 1970 United States Senate election in Arizona took place on November 3, 1970. Incumbent Republican U.S. Senator Paul Fannin decided to run for reelection to a second term, running unopposed in the Republican primary. Fannin defeated Democratic nominee Sam Grossman in the general election. This was the last time until 1994 that Republicans won Arizona's Class 1 Senate Seat.

## Republican primary
### Candidates

* Paul Fannin, incumbent U.S. Senator

## Democratic primary
### Candidates

* Sam Grossman, businessman
* John Kruglick, doctor
* H. L. Kelly

### Results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Sam Grossman | 78,006 | 65.2% |
| | Democratic | John Kruglick | 27,324 | 22.9% |
| | Democratic | H. L. Kelly | 14,238 | 11.9% |
| Total votes | Total votes | Total votes | 119,568 | 100.0 |

## General election

United States Senate election in Arizona, 1970 :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Paul Fannin (incumbent) | 228,284 | 55.98% | +4.55% |
| | Democratic | Sam Grossman | 179,512 | 44.02% | −4.55% |
| Majority | Majority | Majority | 48,772 | 11.96% | +9.11% |
| Turnout | Turnout | Turnout | 407,796 | | |
| | Republican gain from Democratic | Republican gain from Democratic | Swing | | |