State Income Tax Calculator
Find out how much you owe in state taxes. Select your state to see estimated income tax based on the latest 2025 brackets.
State Income Tax
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State Income Tax Rates
State income taxes vary significantly across the United States. Some states have a progressive tax structure similar to the federal government, while others have a flat tax rate, and some have no state income tax at all.
States with No Income Tax
As of 2025, the following states do not levy a state income tax on wages: Alaska, Florida, Nevada, South Dakota, Tennessee, Texas, Washington, and Wyoming. New Hampshire only taxes interest and dividends.
Flat vs. Progressive Tax
- Flat Tax: Everyone pays the same percentage of their income, regardless of how much they earn (e.g., Pennsylvania, Illinois).
- Progressive Tax: Higher earners pay a higher percentage of their income in taxes (e.g., California, New York).