The 99th United States Congress began on January 3, 1985. There were five new senators (three Democrats, two Republicans) and 41 new representatives (11 Democrats, 30 Republicans), as well as two new delegates (one Democrat, one Republican), at the start of the first session. Additionally, three senators (two Democrats, one Republican) and five representatives (four Democrats, one Republican) took office on various dates in order to fill vacancies during the 99th Congress before it ended on January 3, 1987.
Senate
Took office January 3, 1985
Took office during the 99th Congress
House of Representatives
Took office January 3, 1985
Non-voting members
Took office during the 99th Congress
See also
List of United States senators in the 99th Congress
List of members of the United States House of Representatives in the 99th Congress by seniority