If you live in one state and work in another, you generally pay state income tax in both — your home state taxes all of your income, and your work state taxes the portion you earned inside its borders. That sounds like double taxation, and it would be, except that reciprocal agreements and a resident tax credit are built into the system to prevent it. So the practical answer to whether you pay state income tax where you live or where you work is: usually both, but you don’t pay twice on the same dollar.
The details depend on which two states are involved, how you work (in person, remote, or hybrid), and whether you fall into one of a few categories Congress has carved out of the normal rules.
Your Home State Taxes Everything You Earn
The baseline rule is simple. Your state of residence taxes your entire income regardless of where it was earned. Wages from an out-of-state employer, rental income from property in another state, investment gains, freelance work for clients across the country — all of it goes on your resident return. This is why the multi-state picture needs credits and agreements in the first place. Without them, every dollar that crossed a state line would be taxed twice.
Your Work State Taxes What You Earn There
States also tax income earned inside their borders by people who don’t live there. If you physically go into a state and perform work, that state can tax the compensation tied to those workdays. You’d file a nonresident return reporting only the income sourced to that state, not your full earnings.
Filing thresholds vary. Some states want a nonresident return if you earned a single dollar inside their borders. Others set a minimum number of workdays, a dollar floor, or both. If you travel for work even occasionally, it’s worth checking whether you’ve crossed the filing threshold in each state you visited. Unfiled nonresident returns tend to surface years later with interest and penalties attached.
How You Avoid Paying Twice
Reciprocal Agreements
About a dozen states and the District of Columbia have reciprocal tax agreements with specific neighbors. If you live in one participating state and work in the other, you owe income tax only to your home state. Your employer withholds for your state of residence, and you skip the nonresident return entirely. You usually need to file an exemption form with your employer to turn the arrangement on; otherwise they’ll default to withholding for the work state, and you’ll have to chase a refund.
These pairings exist mostly between neighboring states with heavy cross-border commuting, and they aren’t always mutual in every direction. Check the specific agreement between your two states rather than assuming it works both ways.
The Resident Tax Credit
When no reciprocal agreement exists, your home state almost certainly offers a credit for income tax you paid to another state on the same income. You file a nonresident return in the work state and pay what you owe. Then, on your resident return, you claim a credit equal to the lesser of two numbers: the tax you actually paid to the other state, or the tax your home state would have charged on that same income.
The credit doesn’t always zero out double taxation to the penny. If the work state’s rate is lower than your home state’s rate, you’ll effectively pay the difference to your home state. If the work state’s rate is higher, your home-state credit caps at what your home state would have charged, and the excess stays with the work state. Either way, no single dollar of income gets taxed at both full rates.
One common error: people use the amount withheld on their W-2 for the work state as the credit figure. The credit is based on actual tax liability calculated on the nonresident return, not on withholding. Using the wrong number creates problems in both directions.
When One State Has No Income Tax
Nine states don’t tax wages at all: Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming. New Hampshire finished repealing its tax on interest and dividends on January 1, 2025.
This changes the arithmetic in both directions. If you live in a no-tax state and commute into a state that taxes nonresident income, you owe tax to the work state with no home-state tax to offset it against. If you live in a state that taxes income but work in a no-tax state, you owe tax only to your home state. And if both states are in the no-tax group, you have no state income tax obligation on your wages at all.
Remote Work Breaks the Normal Rule
Remote work scrambles the “pay where you show up” framework. If you work from home in State A for an employer headquartered in State B, which state gets to tax your earnings? Most states follow physical presence: the income is sourced to wherever you’re sitting when you do the work. Under that approach, a fully remote worker owes tax only to their home state.
A handful of states disagree. New York, along with Delaware, Nebraska, Oregon, Pennsylvania, and Connecticut, applies some version of the “convenience of the employer” rule. If your remote arrangement exists for your own convenience rather than because your employer needs you working from somewhere specific, the state where the employer’s office sits can tax you as though you were working from that office. New York’s version is the most aggressive and the most litigated, and its necessity exception is narrow — you essentially have to show your employer required you to work remotely and that no office space was available.
Connecticut applies its rule only to residents of other states that also enforce a convenience rule, so it functions as a retaliatory measure. Pennsylvania’s reach is limited by its reciprocal agreements with several neighbors. The practical effect is that a remote worker living in New Jersey and employed by a New York company can owe tax to New York on income earned entirely from a home office in New Jersey. New Jersey gives a credit for the New York tax, but when rates differ, the math can still sting.
Moving Mid-Year
If you relocate from one state to another during the calendar year, you’ll generally file a part-year resident return in each state. The old state taxes income you earned while living there; the new state taxes what you earned after you arrived. For wages from a single employer, the split is usually proportional to the time spent in each state.
Investment income, interest, and dividends are typically allocated based on where you lived when you received them. Rental income from real property follows the property’s location regardless of when you moved. If income is taxable in both states during the transition, the resident credit applies the same way it does for cross-border commuters.
What catches people out is the residency determination. Signing a lease in the new state doesn’t automatically establish domicile there on moving day. If the old state decides your domicile never actually changed — because you kept a home, your voter registration, or returned frequently — it can claim you as a full-year resident. Overlapping residency claims are expensive and slow to untangle.
Local Income Taxes
Some cities and counties layer their own income taxes on top of the state’s. Local rates typically run from under 0.1% to around 2.5%, and the rules vary by jurisdiction. Some localities tax anyone who works within their borders. Others tax only residents. Some do both, recreating the live-work split at the local level.
Unlike state-level taxes, local income taxes rarely come with reciprocal agreements or robust credit mechanisms. You can end up owing one city where you work and another where you live, with limited ability to offset one against the other. Not every state authorizes local income taxes, but where they exist, ignoring them produces surprise bills.
Special Rules for Military, Trucking, Rail, and Airline Workers
Federal law overrides the normal state rules for several categories of workers.
Under the Servicemembers Civil Relief Act, a service member doesn’t gain or lose state tax residence just because military orders moved them. Their income remains taxable only by the state they consider their legal residence. The Military Spouses Residency Relief Act gives spouses a parallel election: they can keep their prior state of legal residence, adopt the service member’s state of residence, or use the permanent duty station state. Wages the spouse earns in the duty-station state are not taxable there if the spouse’s legal residence is elsewhere.1Office of the Law Revision Counsel. 50 USC 4001 – Residence for Tax Purposes
Railroad employees who work in more than one state can be taxed only by their state of residence. Work states cannot withhold or tax their wages.2Office of the Law Revision Counsel. 49 USC 11502 – Withholding State and Local Income Tax Truck drivers and other motor carrier employees who regularly work across multiple states get the same protection: residence-only taxation regardless of the routes they drive.3Office of the Law Revision Counsel. 49 USC 14503 – Withholding State and Local Income Tax by Certain Carriers
Airline employees follow a slightly different rule. Their pay can be taxed by their state of residence or by a state where they earn more than 50% of their compensation measured by scheduled flight time. Because flight time is usually spread across many states, most airline employees end up taxable only in their home state.4Office of the Law Revision Counsel. 49 USC 40116 – State Taxation
How States Decide Where You Actually Live
Because your home state taxes all your income, states take residency seriously. Three things drive the analysis: domicile, physical presence, and objective evidence of intent.
Domicile is your permanent home, the place you consider your real base and intend to return to. You can only have one at a time, and it doesn’t change until you establish a new one somewhere else. Physical presence matters because many states treat anyone who spends more than 183 days inside their borders as a statutory resident for the tax year, even if their domicile is elsewhere.
When a state audits a claimed residency change, it looks at concrete actions, not declarations. Where you’re registered to vote, where your driver’s license was issued, where you keep your primary bank accounts, where your children attend school, and whether you sold or kept your former home all carry weight. Claiming you moved to a no-tax state while keeping a house, voter registration, and club memberships in your old state is exactly the pattern auditors look for. Where you say you live matters far less than what you actually did.