The apportionment of seats in the House of Representatives was based on the 1880 United States census.

The count below identifies party affiliations at the beginning of the first session of this Congress, and includes members from vacancies and newly admitted states, when they were first seated.

Changes resulting from subsequent replacements are shown below in the "Changes in membership" section.

Members of the House of Representatives are preceded by their district numbers.

The directory after the pages of terms of service lists committees of the Senate, House (Standing with Subcommittees, Select and Special) and Joint and, after that, House/Senate committee assignments.