Moving States? Part-Year Resident Taxes

What a Part-Year Resident Is

A part-year resident is someone who lived in a state for only part of the tax year — because they moved in, or moved out. Each state you lived in that year wants to tax you on the income you earned while living there. So a mid-year move often means two state returns: a part-year return for the old state and one for the new.

Do I Really File in Two States?

Usually, yes — but here's the key comfort: you are not taxed twice on the same dollar. Each state taxes only the income earned while you were its resident. Your old state taxes January through your move date; your new state taxes the move date through December. The split is what makes it manageable.

How Income Gets Split

• Wages — generally taxed by the state where you physically worked when you earned them (with part-year allocation by dates).
• Bonuses and equity — can get tricky; some states allocate them to where you lived when they vested or were earned.
• Investment income — usually taxed by your state of residence at the time you received it.

Avoiding Double Taxation

If two states could tax the same income — say you earned wages in one state but lived in another at the time — your resident state typically gives you a credit for tax paid to the other state. The result: you pay the higher of the two rates, not both. Keep good records of your move date, because states do audit residency using days present, your lease, your driver's license, and where you actually lived.

Frequently Asked Questions