1857 Chicago mayoral election

Chicago mayoral election, 1857
March 3, 1857
 
Candidate John Wentworth Benjamin Carver
Party Republican Democratic
Popular vote 5,933 4,842
Percentage 55.06% 44.94%

Mayor before election

Thomas Dyer
Democratic

Elected mayor

John Wentworth
Republican

In the 1857 Chicago mayoral election, Republican nominee John Wentworth defeated Democratic nominee Benjamin Carver by a ten-point margin.

The election was held on March 3.