USA State Income Tax Calculator

Calculate your state income tax for any of the 50 United States — compare rates and find the best states for your tax situation.

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Free USA State Income Tax Calculator — All 50 States

The United States does not impose a single uniform state income tax — instead, each of the 50 states sets its own tax policy independently. Nine states (Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming) impose no state income tax at all, making them enormously attractive for high-income Americans, remote workers, and retirees. Meanwhile, states like California (top rate 13.3%), New York, New Jersey, and Oregon have some of the highest state income tax rates in the nation. This free USA State Income Tax Calculator helps American taxpayers instantly estimate their state tax obligation for any state, compare rates side-by-side, and make informed decisions about relocation, multi-state filing, and overall tax planning.

🇺🇸 Understanding USA State Income Taxes

State income tax in the United States functions separately from federal income tax. While the IRS collects federal taxes uniformly, each state has its own revenue department, brackets, deductions, and credits. Some states use a flat tax rate (like Illinois at 4.95%), while others use progressive brackets (like California with rates from 1% to 13.3%). Additionally, several cities — notably New York City — impose local income taxes on top of state taxes. Understanding your total state and local tax (SALT) burden is critical for financial planning, especially since the 2017 Tax Cuts and Jobs Act capped the federal SALT deduction at $10,000.

✨ Calculator Features

All 50 USA States

Covers every state including no-tax states like Florida, Texas, and Wyoming.

Side-by-Side Comparison

Instantly see how moving between states would impact your USA tax bill.

2026 Rates

Updated with the latest state income tax rates and brackets for the 2026 tax year.

Instant Results

Real-time calculation as you type — no page reloads needed.

SALT Impact

Understand your total state and local tax burden for federal deduction planning.

100% Private

All calculations happen in your browser. Your USA income data never leaves your device.

No-Income-Tax States in the USA

Alaska

No state income tax and pays residents an annual Permanent Fund Dividend from oil revenue. One of the most tax-friendly states in the USA.

Florida

No state income tax — funded by tourism and sales tax. Extremely popular with USA retirees and remote workers.

Texas

No state income tax. Texas relies on sales tax and property tax. Home to many USA corporate headquarters and tech companies.

Nevada

No state income tax — funded by gaming and tourism revenue. Popular with high-income USA earners relocating from California.

Tips for USA Multi-State Workers

If you work remotely for a company in another state, check reciprocity agreements — some states have agreements to avoid double taxation for American workers.
Many USA states offer a credit for taxes paid to another state to prevent double taxation on the same income.
The SALT deduction cap of $10,000 affects high-tax-state residents — consider this when calculating your total USA federal and state tax picture.
USA military service members may be exempt from state income tax in their stationed state under the Servicemembers Civil Relief Act.
Remote workers should verify their tax obligations in both their residence state and their employer's state.

❓ USA State Income Tax FAQ

Which USA states have no income tax?
Nine states have no state income tax: Alaska, Florida, Nevada, New Hampshire (interest/dividends only), South Dakota, Tennessee, Texas, Washington, and Wyoming. These states fund government operations through other revenue sources like sales tax, property tax, or natural resource revenue.
Which USA state has the highest income tax?
California has the highest state income tax rate in the United States at 13.3% on income over $1 million. Hawaii (11%), New Jersey (10.75%), Oregon (9.9%), and Minnesota (9.85%) also have notably high top rates.
Do I have to pay state income tax if I work remotely in the USA?
Generally, you owe state income tax to the state where you physically perform the work. However, some states have 'convenience of the employer' rules that may tax you based on your employer's location. Always check your specific state's rules.
What is the SALT deduction cap and how does it affect USA taxpayers?
The State and Local Tax (SALT) deduction is capped at $10,000 for federal tax purposes. This primarily affects taxpayers in high-tax states like California, New York, and New Jersey who previously deducted larger amounts.
Can I change my state residency to reduce USA taxes?
Yes, but you must establish genuine domicile in the new state — physical presence, voter registration, driver's license, etc. States like California and New York aggressively audit residency changes for high-income Americans.