1957 New Mexico's at-large congressional district special election

1957 United States House election in New Mexico special election

April 9, 1957
 
Nominee Joseph Montoya Tom Bolack
Party Democratic Republican
Popular vote 72,889 64,589
Percentage 53.02% 46.98%

County results
Montoya:      50–60%      60–70%
Bolack:      50–60%

Representative
At-large before election

John J. Dempsey
Democratic

Elected Representative
At-large

Joseph Montoya
Democratic

The 1957 New Mexico's at-large congressional district special election was held on Tuesday April 9, 1957 to fill the vacancy caused by the death of At-Large representative John J. Dempsey.

Lieutenant Governor Joseph Montoya won the special election by a margin of 6.04 percentage points. He would continue to represent New Mexico's at-large congressional district until 1964.