Kentucky — Tax Residency Rule

Summary

Day threshold

More than 183 days

Window

Calendar year

Also requires

A permanent place of abode in KY

Effect

Taxed on all income for the year

Authority

Kentucky Department of Revenue

Kentucky treats you as a statutory resident for income tax if both things are true in the same year: you spend more than 183 days in the state during the calendar year and you maintain a permanent place of abode there. Meet both and Kentucky taxes you on all of your income for that year. To stay outside statutory residency, keep your Kentucky days at 183 or fewer in any single calendar year, or avoid keeping a permanent abode in the state.

Who it applies to

This matters most if you are:

• A remote worker or frequent traveler spending long stretches in Kentucky across a year.
• Someone who keeps a house or apartment in Kentucky while living or working elsewhere.
• A person moving into or out of Kentucky mid-year, whose days pile up on one side of the move.
• An out-of-state resident with a Kentucky second home who visits often.

It applies to individuals based on physical presence and available housing — not on where you vote, work, or hold a driver's license, although those can be evidence of domicile.

The rule — and why it exists

Kentucky reaches residency through two separate ideas in its income-tax law:

• Statutory residency (the 183-day test). More than 183 days in the state during the calendar year, combined with a permanent place of abode in Kentucky, makes you a resident for that year.
• Domicile. If Kentucky is your true, fixed, permanent home — the place you intend to return to — you are a resident regardless of the day count, under a separate domicile test.

Why it exists: states use physical presence and a permanent home as proxies for where your economic life actually sits. The two-part statutory test stops someone from avoiding residency purely by watching the day count while still keeping a full-time home base in the state.

Counting the days

1. 1Count each day, or part of a day, you are physically present in Kentucky during the calendar year (1 January to 31 December).
2. 2The count resets to zero at the start of each new calendar year — it is a fresh annual tally, not a rolling window.
3. 3Any part of a day generally counts as a full day, unless you are only passing through in transit.
4. 4You become a statutory resident once you exceed 183 days while also holding a permanent place of abode in the state.

Because the window is the calendar year, a stay split across a year-end can leave you under the threshold in each individual year even if the trip itself is longer.

Examples

Example 1 — clearly a statutory resident

You rent a house in Louisville and are physically in Kentucky for about 210 days across the year. Because you exceed 183 days and maintain a permanent abode, you are a statutory resident and Kentucky taxes all of your income for that year.

Example 2 — over 183 days but no permanent abode

You spend 200 days in Kentucky staying in short-term hotels for a temporary project, keeping no year-round dwelling. The day count is exceeded, but with no permanent place of abode the statutory-residency test is not met (a separate domicile analysis could still apply).

Example 3 — a stay across year-end

You keep a Kentucky home and are present from 1 October to 30 April — about 210 continuous days. Split by calendar year, that is roughly 92 days in the first year and 120 in the second, so neither year alone exceeds 183 and statutory residency is not triggered by day count.

Exceptions & edge cases

• Domicile overrides the day count. If Kentucky is your permanent home, you can be taxed as a resident even with 183 or fewer days.
• The abode must be genuinely permanent. A place kept only briefly, or a property not suited to year-round living, generally does not count as a permanent place of abode.
• Part-year moves. Moving into or out of Kentucky mid-year can create part-year residency, with income allocated between resident and nonresident periods.
• Reciprocity with neighboring states. Kentucky has wage-tax reciprocity agreements with several bordering states, which can change how earned income is taxed for commuters.

Common misconceptions

• "183 days or fewer means I'm safe." Not if Kentucky is your domicile — the domicile test can make you a resident below the threshold.
• "Days alone make me a statutory resident." The 183-day test also requires a permanent place of abode in the state; both conditions must be met in the same year.
• "Only Kentucky income is taxed." A resident is taxed on all income for the year, wherever it is earned.
• "It has to be one unbroken trip." The count is a total of all days present in the calendar year, not a single continuous stay.

Frequently asked questions

Sources

• Kentucky Department of Revenue — Individual income tax
• Kentucky Revised Statutes — Chapter 141, Income Taxes