Federal vs. State Courts: A Structural Guide
What is the difference between federal and state courts?
Federal and state courts are separate U.S. systems with different authority and jurisdiction. Federal district courts are the principal federal trial courts, courts of appeals review specified lower-court and agency decisions, and the U.S. Supreme Court is the highest federal court. State constitutions and laws create state systems, whose names and structures vary. Most routine criminal, family, probate, contract, and personal-injury cases are heard in state courts.
The systems get authority from different sources
Article III of the U.S. Constitution establishes the federal judicial branch, creates the Supreme Court, and allows Congress to establish lower federal courts. Federal jurisdiction is limited by the Constitution and federal law.
Each state establishes its own courts through its constitution and laws. That means a state system cannot be described safely from another state's organizational chart. Court names such as “district,” “circuit,” or “supreme” do not perform exactly the same job everywhere.
How the federal court system is structured
The Administrative Office of the U.S. Courts describes three central levels:
| Level | Main role |
|---|---|
| U.S. district courts | Principal federal trial courts; determine facts and apply law |
| U.S. courts of appeals | Review specified procedures and decisions from district courts and federal agencies |
| U.S. Supreme Court | Highest court in the United States; reviews eligible matters under its authority |
The federal judiciary currently has 94 district courts and 13 courts of appeals. The appeals structure includes 12 regional circuits and the Federal Circuit, which has nationwide jurisdiction over specified subjects.
An appeal is not normally a second trial. The U.S. Courts says appellate courts do not retry cases, hear new evidence, hear witnesses, or use juries. They review the earlier proceedings and legal issues to determine whether the law was applied correctly and procedures were fair.
How state court structures vary
A common state pattern includes trial courts, an intermediate appellate court, and a highest court, often called a supreme court. But not every state uses the same names or the same number of levels. States also differ in how judges are selected and how specialized matters are assigned.
The U.S. Courts comparison notes that state courts commonly handle most criminal cases, probate, family law, contracts, and personal-injury disputes. State courts are the final authorities on their own state laws and constitutions, subject to eligible federal questions that may enter federal review.
Jurisdiction decides more than the building name
Jurisdiction means a court's legal authority to hear a type of case. Federal courts hear matters authorized by the Constitution and federal statutes, including cases involving federal laws and treaties, constitutional questions, disputes between states, and other defined categories. State courts have broad authority under state law.
Some facts can support jurisdiction in more than one system, and procedural rules can be consequential. A general civics guide cannot select a court for an individual dispute. Court clerks can provide procedural information within their role, while a qualified lawyer can advise on a particular filing and jurisdiction.
Appeals move within defined routes
A party dissatisfied with a trial-court ruling may have a route to an appellate court, but appeal rights, timing, preserved issues, and standards of review depend on the governing rules. A federal district-court ruling generally proceeds to the appropriate U.S. court of appeals. A party can ask the U.S. Supreme Court to review an eligible appellate decision, but the Court is usually not required to take the case.
State appeals follow that state's structure. Only certain federal questions from state-court proceedings are eligible for U.S. Supreme Court review. The existence of a higher court therefore does not guarantee another hearing.
A compact comparison
| Question | Federal courts | State courts |
|---|---|---|
| Source | U.S. Constitution and federal laws | State constitution and laws |
| Trial level | U.S. district courts and specified specialized courts | State trial courts with names and divisions set by the state |
| Appeals | Regional circuits and the Federal Circuit for defined matters | State appellate route, which varies |
| Highest court | U.S. Supreme Court | State court of last resort |
| Typical scope | Defined federal jurisdiction | Broad state-law jurisdiction and most everyday cases |
The court system section develops these structural distinctions. For the legislative branch's separate role, see how a federal bill becomes law and the lawmaking basics section.
Sources
- Administrative Office of the U.S. Courts: Court Role and Structure — accessed September 3, 2026; supports the constitutional basis, federal trial/appellate/Supreme Court roles, and current court counts.
- Administrative Office of the U.S. Courts: Comparing Federal & State Courts — accessed September 3, 2026; supports the authority, structure, selection, jurisdiction, and case-type comparison.
- Administrative Office of the U.S. Courts: About U.S. Courts of Appeals — accessed September 3, 2026; supports the appellate function, circuit structure, and no-retrial/no-new-evidence distinction.
An independent publication. Not affiliated with any prior owner of this domain.