Do state laws supersede the Constitution?

Asked by: Prof. Darron Satterfield MD  |  Last update: January 13, 2026
Score: 4.7/5 (1 votes)

The core message of the Supremacy Clause is simple: the Constitution and federal laws (of the types listed in the first part of the Clause) take priority over any conflicting rules of state law. This principle is so familiar that we often take it for granted. Still, the Supremacy Clause has several notable features.

Can state law override the Constitution?

The Supremacy Clause refers to the foundational principle that, in general, federal law takes precedence over any conflicting state law.

What happens if a state law conflicts with the Constitution?

When state law and federal law conflict, federal law displaces, or preempts, state law, due to the [wex:Supremacy Clause] of the Constitution. U.S. Const. art. VI., § 2.

Can states give more rights than the Constitution?

Though many critical rights come from the U.S. Constitution and its amendments, states have their own constitutions, statutes, and rules. State law often provides protections that are similar, if not identical, to the those the federal constitution gives. But occasionally state law offers expanded rights.

What supersede state laws?

Grounded in the Supremacy Clause of the U.S. Constitution, federal preemption stands for the principle that federal law supersedes conflicting state law.

Do Federal Laws Supersede State Laws? - CountyOffice.org

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Who has power over state laws?

State courts are the final arbiters of state laws and constitutions. Their interpretation of federal law or the U.S. Constitution may be appealed to the U.S. Supreme Court.

Can Congress overturn state laws?

As long as the directives that Congress enacts are indeed authorized by the Constitution, they take priority over both the ordinary laws and the constitution of each individual state.

Can state law often override the U.S. Constitution?

In the United States, state and federal laws often interact in complicated ways. Both levels of government create their own laws, but the U.S. Constitution gives the federal government the final say in the law. This means that federal laws always prevail over state laws.

Which 2 things are states never allowed to do per the Constitution?

No State shall, without the Consent of Congress, lay any Duty of Tonnage, keep Troops, or Ships of War in time of Peace, enter into any Agreement or Compact with another State, or with a foreign Power, or engage in War, unless actually invaded, or in such imminent Danger as will not admit of delay.

Do local laws override state laws?

Preemption refers to laws at one level of government taking precedence over laws of a lower level. As such, no entity at the lower level can pass a law that allows action that would violate the higher-level law. Federal laws take precedence over state and local law, and state law can take precedence over local law.

What happens to a state law that violates the U.S. Constitution?

In subsequent cases, the Court also established its authority to strike down state laws found to be in violation of the Constitution.

How to challenge a state law as unconstitutional?

New Rule 5.1 requires a party that files a pleading, written motion, or other paper drawing in question the constitutionality of a federal or state statute to file a notice of constitutional question and serve it on the United States Attorney General or state attorney general.

Does the Constitution have power over the states?

The Tenth Amendment states: "The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people."

Which state tried to nullify federal laws?

Nullification Crisis, in U.S. history, confrontation between the state of South Carolina and the federal government in 1832–33 over the former's attempt to declare null and void within the state the federal Tariffs of 1828 and 1832.

What does the 13th Amendment do?

Amendment Thirteen to the Constitution – the first of the three Reconstruction Amendments – was ratified on December 6, 1865. It forbids chattel slavery across the United States and in every territory under its control, except as a criminal punishment.

Can the Supreme Court overturn state law?

General rule

The Constitution provides a high-level foundation for the Supreme Court's jurisdiction over appeals directly from state courts, allowing for review of state decisions involving issues related to federal statutes, treaties, or constitutional law.

What is Article 7 of the Constitution mainly about?

The text of Article VII declares that the Constitution shall become the official law of the ratifying states when nine states ratified the document.

Does every state have to follow the Constitution?

Every state has its own constitution. These documents often grant rights beyond the federal Constitution.

Can state laws contradict the U.S. Constitution?

State or local laws held to be preempted by federal law are void not because they contravene any provision of the Constitution, but rather because they conflict with a federal statute or treaty, and through operation of the Supremacy Clause.

Do states rights supersede the Constitution?

The Supremacy Clause of the Constitution of the United States (Article VI, Clause 2) establishes that the Constitution, federal laws made pursuant to it, and treaties made under its authority, constitute the "supreme Law of the Land", and thus take priority over any conflicting state laws.

Who can override the Constitution?

The United States Supreme Court can also come to a different interpretation of the Constitution than it has in the past. However, there is no process by which a branch of the government can temporarily override the Constitution with its own laws or regulations.

Does the president have power over the Supreme Court?

The president nominates Supreme Court justices, but the Senate has the sole power to confirm those appointments.

How many laws has the Supreme Court declared unconstitutional?

As of 2014, the United States Supreme Court has held 176 Acts of the U.S. Congress unconstitutional. In the period 1960–2019, the Supreme Court has held 483 laws unconstitutional in whole or in part.

What does the 26th Amendment state?

The right of citizens of the United States, who are eighteen years of age or older, to vote shall not be denied or abridged by the United States or by any State on account of age.