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State rules

Michigan residency day rule.

Living in Michigan for at least 183 days of the tax year means you're considered domiciled there.

Summary as of October 2026 · Not tax advice

Day line183 or more
Type of testDay count with a home test
Home in the state requiredNo
LawMCL § 206.18
Official sourcewww.michigan.gov/taxes

What it means

Statutory residency tests apply on top of domicile. You can be domiciled elsewhere and still be taxed as a resident if you meet the test.

Keep the record

Whatever the rule, the person claiming not to be a resident usually has to prove it. Log every day, including travel days, and keep the receipts, boarding passes and photos that back it up. What auditors ask for.

States with the same kind of test

Questions

How many days can I spend in Michigan without becoming a resident?

Living in Michigan for at least 183 days of the tax year means you're considered domiciled there. Days alone aren't the whole story: domicile is a separate test.

Does a partial day in Michigan count?

Most states with a day test count any part of a day in the state. Check the state's guidance for its exceptions.

Count your days

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