Minnesota became a new state in 1858 having already elected its first two members at-large in October 1857 to finish the current term. The state then held elections to the next term October 4, 1859.
District Incumbent This race Member Party First elected Results Candidates James M. Cavanaugh Democratic 1857 Incumbent lost re-election.New member elected.Republican gain. William Wallace Phelps Democratic 1857 Unknown if incumbent retired or lost re-election.New member elected.Republican gain.
See also 1858 and 1859 United States House of Representatives elections List of United States representatives from Minnesota 1858 United States Senate elections in Minnesota
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