The Twentieth Texas Legislature met from January 11 to April 4, 1887 in regular session, and from April 16 to May 15, 1888 in a called session. All members of the House of Representatives and a portion of the members of the Senate were elected in the 1886 General Election.
^ Source material was unclear in which order the two Presidents pro tempore served.
Members of the Twentieth Texas Legislature as of the beginning of the Regular Session, January 11, 1887:
^ Source material was unclear in which order the representatives served or if they served concurrently.