State Residency Rules Library

How each U.S. jurisdiction decides whether you’re a tax resident — the day thresholds, how days are counted, and what triggers the test. Verified against state statutes and administrative guidance.

No state income tax

Statutory day-count states

City-level taxes

Domicile-based states

U.S. territories (federal presence test)

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This page provides general educational information about residency rules, verified against state statutes and administrative guidance at the time of writing. It is not tax, legal, or accounting advice; rules change and residency determinations depend on your complete circumstances. Consult a qualified tax professional.  ·  All jurisdictions  ·  DayLine home