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Live in Delaware, Work in Alabama: Which State Taxes Your Paycheck?

Both states — credit offsets the double taxAlabama withholds

Answer

Two returns, one credit. Alabama has the first claim on wages earned inside the state and withholds accordingly. Delaware then taxes you as a resident on everything and gives credit for what Alabama already took, capped at what Delaware would have charged on that same income.

Last verified

Without an agreement between Delaware and Alabama, the overlap is handled after the fact rather than prevented. That is why the filing order matters: the Alabama figure is an input to the Delaware return, so completing Delaware first means doing it twice.

A Delaware resident taxed by another state on the same income claims the credit for taxes paid to other states on Schedule I (Form PIT-RES). The credit is capped at the Delaware tax on that income, so it removes the double tax but never refunds the excess when the other state charges more.

Alabama also has a layer below the state one, and it is the layer that survives every agreement: Several Alabama municipalities levy an occupational licence fee on wages earned inside the city — Birmingham is the largest. It is collected by the city, not the Department of Revenue, and no state agreement or credit covers it.

What you file

  1. 1Nonresident return · AlabamaForm 40NR

    File the Alabama nonresident return FIRST — you need the Alabama tax figure before you can complete Delaware.

  2. 2Resident return · DelawareSchedule I (Form PIT-RES)

    File a Delaware resident return reporting all income, then claim the credit for tax paid to Alabama. The credit is capped at what Delaware would have charged on that same income, so if Alabama taxes it at a higher rate the difference is not refunded.

The two states, side by side

 DelawareAlabama
Taxes wagesYes — graduatedYes — graduated
Reciprocity partnersNoneNone
Convenience ruleYes — general ruleNo
Nonresident returnForm PIT-NONForm 40NR
Credit for other-state taxSchedule I (Form PIT-RES)Schedule CR
Nonresident safe harbourNone publishedNone published
Local income taxYesYes
Revenue departmentDelaware Division of RevenueAlabama Department of Revenue
Last verified

The other direction

Reversing the commute does not always reverse the answer. Living in Alabama and working in Delaware gives:Both states — credit offsets the double tax.

Alabama to Delaware →

Same two states, different situation

The withholding answer turns on how you are paid and where the work happens, not only on which two states are involved.

Other Delaware pairs

Questions people actually ask

I live in Delaware and work in Alabama. Which state takes the tax out of my paycheck?

Two returns, one credit. Alabama has the first claim on wages earned inside the state and withholds accordingly. Delaware then taxes you as a resident on everything and gives credit for what Alabama already took, capped at what Delaware would have charged on that same income.

Which state should my employer be withholding for?

Alabama. The wages are sourced to Alabama, so Alabama withholding is correct and there is no Delaware withholding to set up.

Will I end up paying tax twice on the same income?

Not twice over, but you will pay the higher of the two rates. Delaware gives residents a credit for tax paid to Alabama on the same income, claimed on Schedule I (Form PIT-RES). The credit is capped at the Delaware tax on that income, so if Alabama taxes it more heavily the excess is not refunded by either state.

How current is this?

The Delaware and Alabama rules on this page were last checked against Delaware Division of Revenue and Alabama Department of Revenue on 2026-08-07. We re-check the full grid every December after state legislative sessions close, and re-check the convenience-of-the-employer states quarterly because that is where the rules move fastest.

Sources

Every fact above comes from the revenue department that publishes the rule. We do not cite secondary summaries, and we do not restate a figure we could not find at source.