State Tax Calculator

Calculate state income tax for any of the 50 states. Compare tax rates, brackets, and effective tax rates across different states to find the best place for your income.

Income Information

Tax Summary

Taxable Income: $0
State Tax: $0
Effective Rate: 0.00%
After-Tax Income: $0

State Information

State: None
Tax Rate Type: Flat/Progressive
Top Rate: 0.00%

Quick Comparison

No State Tax: AK, FL, NV, NH, SD, TN, TX, WA, WY
Highest Rate: CA (13.3%)
Lowest Rate: NC (5.25%)

Understanding State Income Taxes

State income taxes vary significantly across the United States. Nine states have no income tax at all, while others have progressive tax systems with multiple brackets. Understanding state tax rates can help with tax planning and relocation decisions.

State Tax Systems

No State Income Tax

9 states have no income tax:

  • Alaska
  • Florida
  • Nevada
  • New Hampshire
  • South Dakota
  • Tennessee
  • Texas
  • Washington
  • Wyoming

Flat Tax States

Single rate for all income levels:

  • Colorado (4.55%)
  • Illinois (4.95%)
  • Indiana (3.23%)
  • Kentucky (4.5%)
  • Massachusetts (5.0%)
  • Michigan (4.25%)
  • North Carolina (5.25%)
  • Pennsylvania (3.07%)
  • Utah (4.95%)

Progressive Tax States

Multiple brackets with higher rates for higher income:

  • California (1-13.3%)
  • New York (4-8.82%)
  • New Jersey (1.4-10.75%)
  • Minnesota (5.35-9.85%)
  • Oregon (4.75-9.9%)

State Tax Rates Comparison

State Top Rate Brackets Avg. Effective Rate Type
California 13.30% 10 8.2% Progressive
New York 8.82% 5 6.1% Progressive
New Jersey 10.75% 6 6.8% Progressive
Illinois 4.95% 1 4.8% Flat
Texas 0.00% 0 0.0% None
Florida 0.00% 0 0.0% None

Tax Planning Considerations

Relocation Planning

  • Consider total cost of living, not just taxes
  • Factor in property taxes and sales taxes
  • Check state-specific deductions and credits
  • Consider impact on retirement accounts

Tax Optimization

  • Maximize state-specific deductions
  • Consider tax-advantaged accounts
  • Plan income timing across tax years
  • Utilize available tax credits

State Tax Changes

State tax rates and brackets can change annually. Some states have implemented tax cuts or freezes, while others have increased rates. Always verify current rates with your state's revenue department.

Local Taxes

In addition to state income taxes, many localities impose additional taxes such as city income taxes (e.g., New York City, Philadelphia) or county taxes. These can add 1-4% to your total tax burden.

Key Takeaways

  • 9 states have no state income tax
  • State tax systems vary: flat, progressive, or none
  • California has the highest top rate (13.3%)
  • Effective rates are usually lower than top rates
  • Consider total tax burden including local taxes
  • Tax rates can change annually
  • Consult tax professionals for personalized advice
  • Factor in cost of living when comparing states

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