CaseTrail

State or local government tax: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “State or local government tax,” part of the Economic Activity area.

166decisions
57%favorable to the petitioner
36%unanimous
68altered precedent or struck a law

Decisions by decade

1940s18
1950s35
1960s16
1970s25
1980s36
1990s22
2000s7
2010s7

Most majority opinions

Legal provisions most often involved

Article I, Section 8, Paragraph 3 (interstate commerce clause)66
Fourteenth Amendment (due process)21
Fourteenth Amendment (equal protection)11
Article I, Section 10, Paragraph 2 (export-import clause)10
Article VI, Section 2 (supremacy clause)10
Article IV, Section 2, Paragraph 1 (privileges and immunities clause)3
49 U.S.C. § 11502
15 U.S.C. § 3812

All 166 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