State Income Tax Comparison
Compare state income tax between your current and potential new state.
Results
Visualization
How It Works
This calculator compares your annual state income tax burden between your current state and a potential new state based on your gross income and filing status. Understanding the tax difference helps you evaluate the true financial impact of relocating and make informed decisions about whether a move makes economic sense.
The Formula
Variables
- Gross Annual Income — Your total earned income before any taxes or deductions are taken out; includes wages, salary, bonuses, and self-employment income subject to state income tax
- Current State Tax Rate — The effective state income tax rate in your current state, expressed as a percentage; this varies by state and sometimes by income bracket
- New State Tax Rate — The effective state income tax rate in your potential new state, expressed as a percentage; used to calculate your projected tax liability after moving
- Filing Status — Your tax filing designation (Single = 1, Married = 2); some states apply different tax rates or have different tax structures based on filing status, which can affect your actual tax obligation
- Annual Tax Savings — The difference in state income taxes between your current and new state expressed as a dollar amount; a positive number means you'll save money, a negative number means your taxes will increase
Worked Example
Let's say you earn $75,000 per year gross income as a single filer and currently live in California, which has a state income tax rate of approximately 9.3%. You're considering moving to Texas, which has no state income tax (0%). Using the calculator: Current state tax = 9.3% × $75,000 = $6,975 annually. New state tax = 0% × $75,000 = $0. Your annual tax savings = $6,975 − $0 = $6,975. This means relocating would save you nearly $7,000 per year in state income taxes alone, which is a significant factor when evaluating the financial aspects of your move.
Practical Tips
- Remember that this calculator shows only state income tax differences—you should also compare property taxes, sales taxes, and local taxes, which vary widely and can offset or exceed your income tax savings in some states
- If you're married, run the calculator for both your combined household income and verify whether your new state taxes married couples differently than single filers, as some states have marriage penalties or bonuses
- Check whether your new state has a lower income tax rate but different tax brackets or deductions than your current state—the effective rate you pay may differ from the advertised state rate
- Consider the timing of your move carefully; if you relocate mid-year, you may owe taxes to both states based on the portion of the year you spent in each, which can complicate your tax situation
- Don't let tax savings alone drive your relocation decision—factor in cost of living, housing prices, job opportunities, and quality of life, as these often have much larger financial impacts than income tax differences
Frequently Asked Questions
Do all states have income tax?
No. Nine states have no state income tax at all: Alaska, Florida, Nevada, South Dakota, Tennessee, Texas, Washington, Wyoming, and New Hampshire (which only taxes dividends and interest income). Several other states have lower rates or limited income taxes, making them attractive for high-income earners looking to minimize tax burden.
What's the difference between tax rate and effective tax rate?
The tax rate (or marginal rate) is the percentage applied to your top dollar of income, while the effective tax rate is the average rate you pay on your entire income. Most states use progressive tax brackets, meaning different portions of your income are taxed at different rates, so your actual effective rate is usually lower than the highest bracket rate.
If I move mid-year, how does state income tax work?
When you move between states during a tax year, you typically must file part-year resident returns in both states. You'll pay tax to your old state on income earned while you lived there and to your new state on income earned after you moved. Some states offer credits to prevent double taxation, but you should consult a tax professional to understand your specific situation.
Are there other taxes I should consider besides income tax?
Yes, absolutely. States differ significantly in sales tax (ranging from 0% to over 10%), property tax rates, and local taxes. For example, Texas has no income tax but high property taxes, while Oregon has high income tax but no sales tax. Calculate your total tax burden across all types to make a true comparison.
How do I find the current state income tax rate for a specific state?
Visit your state's department of revenue website or the IRS website, which publishes state tax rate information. Be aware that rates change annually and may vary by income bracket. For married couples, verify whether your state taxes you jointly or individually, as this affects your rate.
Sources
- IRS: State Income Tax Rates and Brackets
- Tax Foundation: State Income Tax Rates 2024
- Federation of Tax Administrators: State Tax Resources
- IRS Publication 17: Your Federal Income Tax
- National Conference of State Legislatures: State Income Tax Information