The Constitution requires that the members of the House of Representatives be selected from districts composed, as nearly as is practicable, of equal population. Decided February 17, 1964 (argued November 18, 1963). Opinion of the Court: Hugo Black → go there Dissenting: Harlan. Topic: Voting and redistricting. Wesberry v. Sanders, 376 U.S. 1 (1964), was a landmark U.S. Supreme Court case in which the Court ruled that districts in the United States House of Representatives must be approximately equal in population. Along with Baker v. Carr (1962) and Reynolds v. Sims (1964), it was part of a series of Warren Court cases that applied the principle of "one person, one vote" to U.S. legislative bodies. Wiki link