State residency rules

Michigan residency rules for taxes

Michigan taxes residents on all income. Beyond domicile, spending enough time in the state can make you a resident regardless of where you keep a home.

Last reviewed July 2026

Michigan at a glance

State income tax
Yes
Residency tests
Domicile, or a day-count rule
Day threshold
At least 183 days (deemed)
Abode required?
No
How a day counts
Not specified; count conservatively
Taxed on
All income if a resident

Michigan taxes residents on all income. Beyond domicile, Michigan deems anyone who lives in the state at least 183 days a resident, on top of its domicile test. Michigan’s primary test is domicile; the 183-day rule is a deeming provision layered on top.

The day-count rule

Unlike the classic statutory-residency states, Michigan does not require you to maintain a home in the state. Michigan deems anyone who lives in the state at least 183 days a resident, on top of its domicile test. Michigan’s primary test is domicile; the 183-day rule is a deeming provision layered on top.

How days are counted

Michigan does not spell out how partial days are counted, so count conservatively and keep records. Days accumulate across every trip during the year.

In an audit the burden is on you to prove the days you were outside the state. A contemporaneous day-by-day log, backed by phone, card, and travel records, is the strongest defense.

Know your days before they cost you.

DayStayed counts your days in Michigan automatically and warns you before you cross the line.

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Questions

Michigan residency FAQ

How does Michigan decide residency by days?

Michigan deems anyone who lives in the state at least 183 days a resident, on top of its domicile test.

Does Michigan require a permanent place of abode?

No. Michigan’s day-count rule is based on time in the state, not on maintaining a home there.

How is a day counted in Michigan?

Michigan does not spell out how partial days are counted, so count conservatively and keep records.

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