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1840 Massachusetts U.S. House District 12 Election
Massachusetts · 2 candidates
Adams +9.1 pts · won by 1,003 votes
John AdamswhigWINNER54.16%
5,948 votes
Frederick H JacksonDemocratic45.03%
4,945 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).