# 1948 United States Senate election in Louisiana

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The 1948 United States Senate election in Louisiana was held on November 2, 1948. Incumbent Senator Allen J. Ellender was re-elected to a third term in office.
On August 31, Ellender won the Democratic primary with 61.7% of the vote. At this time, Louisiana was a one-party state, and the Democratic nomination was tantamount to victory. Ellender won the November general election without an opponent.

## Democratic primary
### Candidates

* James Domengeaux, U.S. Representative from Louisiana's 3rd congressional district
* Allen J. Ellender, incumbent Senator
* Charles S. Gerth, candidate for Senate in 1944

### Results

1948 United States Senate Democratic primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | Allen J. Ellender (incumbent) | 284,293 | 61.70% |
| | Democratic | James R. Domengeaux | 119,459 | 25.92% |
| | Democratic | Charles S. Gerth | 57,047 | 12.38% |
| Total votes | Total votes | Total votes | 460,799 | 100.00% |

## General election

1948 United States Senate election :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Allen J. Ellender (incumbent) | 330,115 | 100.00% | |
| Total votes | Total votes | Total votes | 330,115 | 100.00% | |