page_title: 31st United States Congress
section_title: Non-voting members
hierarchical_section_title: 31st United States Congress / Members / House of Representatives / Non-voting members
caption_attribution_description: Summary of party control of U.S. house seats in the 31st United States Congress following election. Stripes indicate a tie between two or more parties. Legend: &#160;&#160; 80.1-100% Democratic seat majority &#160;&#160; 60.1-80% Democratic seat majority &#160;&#160; 60% or less Democratic seat plurality &#160;&#160; 60% or less Whig seat plurality &#160;&#160; 60.1-80% Whig seat majority &#160;&#160; 80.1-100% Whig seat majority &#160;&#160; 60% or less Free Soil seat plurality
context_page_description: The 31st United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1849, to March 4, 1851, during the 16 months of the Zachary Taylor presidency and the first eight months of the administration of Millard Fillmore's. The apportionment of seats in this House of Representatives was based on the Sixth Census of the United States in 1840. The Senate had a Democratic majority, while there was a Democratic plurality in the House.
context_section_description: Minnesota Territory. Henry H. Sibley, from July 7, 1849
  Oregon Territory. Samuel Thurston (D)
caption: House seats by party holding plurality in state   80+% to 100% Democratic   Up to 60% Whig   60+% to 80% Democratic   60+% to 80% Whig   Up to 60% Democratic   80+% to 100% Whig   33% Free Soil Party
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