1840 Massachusetts U.S. House District 12 Election

Massachusetts · 2 candidates · See every 1840 U.S. House race

Who won the 1840 Massachusetts U.S. House District 12 Election?

John Quincy Adams won the 1840 Massachusetts U.S. House District 12 Election. John Quincy Adams received 5,948 popular votes (54.16%). The main challenger was Frederick H Jackson (45.03%).

See the full head-to-head between Adams and Jackson

Adams +9.1 pts · won by 1,003 votes

John Quincy AdamswhigWINNER54.16%

5,948 votes

Frederick H Jackson Democratic45.03%

4,945 votes

Popular-vote totals for this U.S. House election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.