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The Daily Insight

What determines primary state of residence?

Author

Henry Morales

Published Mar 21, 2026

But if you live in more than one home, the IRS determines your primary residence by: Where you spend the most time. Your legal address listed for tax returns, with the USPS, on your driver’s license, and on your voter registration card.

What state has the highest state taxes?

The top 10 highest income tax states (or legal jurisdictions) for 2020 are:

  • California 13.3%
  • Hawaii 11%
  • New Jersey 10.75%
  • Oregon 9.9%
  • Minnesota 9.85%
  • District of Columbia 8.95%
  • New York 8.82%
  • Vermont 8.75%

How to prove residency in two different states?

I too have 2 houses, one in Maryland, and one in Texas. Texas has no state income tax. In order to establish residency in a particular state, you need to show that you stayed in said house at least 184 days per year, that is in fact what establishes your residency in any particular state. Obviously I spend more than 184 days in Texas each year.

Which is the primary residence of a person?

Usually, the primary residence is a house or apartment. It could also be a boat, condominium or a room in someone’s home. The primary residence is typically where you perform duties such as voting in local, county, state and federal elections.

When does a state consider you a full year resident?

A state with a 183-day residency rule, for example, will consider you a full-year resident for tax purposes if you spent more than half the year there. Suppose your domicile is in California, but …

Can a domicile be in more than one state?

Domicile and residency aren’t always the same. An individual may reside in multiple states, but can have only one domicile — that taxpayer’s fixed, permanent home. Individuals domiciled in a state are automatically considered state residents for tax purposes. Usually, this means the state is entitled to tax that spouse’s worldwide income.