Understanding State Income Taxes
State income taxes vary dramatically across the United States. Some states like California and New York have progressive brackets with top rates exceeding 10%, while states like Texas, Florida, and Washington have no state income tax at all. Others like Illinois and Pennsylvania use a flat rate system where all income is taxed at the same percentage.
Types of State Tax Systems
States generally fall into three categories: progressive (multiple brackets with increasing rates, like California), flat rate (one rate for all income, like Illinois at 4.95%), and no income tax (like Texas and Florida). Some states also have special rules for certain types of income, local taxes on top of state taxes (such as New York City), or additional surtaxes on high earners.
Frequently Asked Questions
Which states have no income tax?▾
Nine states have no state income tax: Alaska, Florida, Nevada, New Hampshire (dividends and interest only), South Dakota, Tennessee, Texas, Washington, and Wyoming. Residents of these states only pay federal income tax, which can result in significant savings, especially for high earners.
Can I deduct state taxes on my federal return?▾
Yes, but with limitations. If you itemize deductions, you can deduct state and local taxes (SALT) on your federal return, but the SALT deduction is capped at $10,000 ($5,000 for married filing separately). This cap significantly limits the federal tax benefit for residents of high-tax states.
What if I work in a different state than where I live?▾
Generally, you owe income tax to the state where you earn the income. However, many states have reciprocal agreements that allow you to pay tax only to your state of residence. If no reciprocal agreement exists, you may need to file in both states and claim a credit for taxes paid to the work state.
Do no-income-tax states make up revenue elsewhere?▾
Yes. States without income tax typically rely more heavily on other revenue sources such as sales tax, property tax, or natural resource taxes. Texas, for example, has no income tax but has relatively high property tax rates. Washington has no income tax but has one of the highest state sales tax rates in the country.
Calclypso Editorial Team
Reviewed by certified financial professionals. Last updated: April 2026. State tax rates reflect 2025 figures and may vary based on local taxes and credits. This calculator provides estimates only and should not be used as tax advice.