Joseph Cannon Republican Champ Clark Democratic The 1910 United States House of Representatives elections were held for the most part on November 8, 1910, while Maine and Vermont held theirs early in September, in the middle of President William Howard Taft's term.

Instead of using his position as president to bridge compromise, Taft alienated the progressive wing of the party, which had championed his predecessor, Theodore Roosevelt.

While conservatives controlled the largest number of elected positions for Republicans, progressive politics had been what brought many voters to the polls.

[3] The great battle over the high Payne–Aldrich Tariff Act in 1910 ripped the Republicans apart and set up the realignment in favor of the Democrats.

Arizona Territory elected its non-voting delegate sometime in 1910, but did not serve out the complete term as statehood was granted in 1912.