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Reapportionment (other than Voting Rights Act plans): Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “Reapportionment (other than Voting Rights Act plans),” part of the Civil Rights area.

91decisions
63%favorable to the petitioner
33%unanimous
33altered precedent or struck a law

Decisions by decade

1960s43
1970s23
1980s7
1990s9
2000s2
2010s6
2020s1

Most majority opinions

Legal provisions most often involved

Fourteenth Amendment (equal protection)46
Article I, Section 2, Paragraph 1 (composition of the House of Representatives)5
Voting Rights Act of 19653
Article I, Section 4, Paragraph 1 (elections clause)2
Article I, Section 2, Paragraph 3 (apportionment of Representatives)2
13 U.S.C. § 1951

All 91 decisions, newest first

Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error