Party Divisions of the House of Representatives*
1935–PresentParty Divisions of the House of Representatives, 1789–Present
Party Divisions of the House of Representatives, 1st Congress–73rd Congress (1789–1935)
*Party division totals are based on November election day results. The actual party division of a particular Congress often changes due to the death or resignation of a Member, contested elections, or changes in Member party affiliations.
2Alaska entered Congress at the beginning of the 86th Congress, while Hawaii's Representative did not join Congress until August 21, 1959.
3The State of North Carolina did not submit an election certificate for the Ninth U.S. Congressional District prior to the opening day of the 116th Congress.
4The State of New York did not submit an election certificate for the Twenty-Second U.S. Congressional District prior to the opening day of the 117th Congress.