Arizona collects state income tax on wages, retirement income, and investment gains

Yes, Arizona has a state income tax. The state taxes wages, pensions, retirement account withdrawals, interest, dividends, and capital gains. If you work in Arizona or live there, you will owe state income tax on most forms of income unless a specific exemption applies to you.

Arizona's tax rates change each year and depend on your filing status and income bracket. For 2024, rates range from 2.55% on the lowest bracket to 4.5% on the highest, though these percentages shift annually based on inflation adjustments. Your employer typically withholds state income tax from your paycheck, similar to federal withholding.

The state also taxes business income, rental income, and income from self-employment. If you receive Social Security benefits, those are generally not taxed by Arizona, but other retirement income usually is.

Key Takeaways

  • Arizona taxes most income at rates between 2.55% and 4.5%, with rates adjusted yearly for inflation.
  • Wages, pensions, investment income, and business income are all subject to Arizona state tax.
  • Social Security benefits are not taxed by Arizona, but distributions from retirement accounts like IRAs and 401(k)s are taxed as ordinary income.
  • You file Arizona state taxes using Form 140 or a variant, separate from your federal return, by the same April deadline.

Who must file an Arizona state tax return

You must file an Arizona state return if you lived in the state for any part of the tax year and your income exceeds the filing threshold. The threshold depends on your age and filing status. For 2024, a single person under 65 must file if gross income is $14,800 or more; a single person 65 or older must file if gross income is $17,600 or more. Married couples filing jointly have higher thresholds.

Even if your income falls below the threshold, you should file if Arizona withheld taxes from your paychecks during the year — you may receive a refund. If you are self-employed, you must file regardless of income level if your net earnings from self-employment are $400 or more.

Part-year residents — people who moved to or from Arizona during the year — must file if their income exceeds the threshold for the months they lived there. You report only the income earned while you were an Arizona resident.

Arizona tax brackets and rates for different income levels

Arizona uses a progressive tax system, meaning higher income is taxed at higher rates. The state publishes new tax brackets and rates each January to account for inflation. Rates have ranged from roughly 2.5% to 4.5% in recent years, but the exact brackets and percentages shift annually.

To find your 2024 tax rate, you need to know your filing status (single, married filing jointly, married filing separately, or head of household) and your taxable income after deductions. The Arizona Department of Revenue publishes a tax rate table each year showing which bracket your income falls into. Your tax software or a tax preparer can calculate this automatically, but you can also look up the current brackets on the department's website.

Arizona also allows a standard deduction, which reduces your taxable income before the tax rate is applied. The standard deduction amount varies by age and filing status and is adjusted annually. For 2024, the standard deduction for a single filer under 65 is $14,800.

Income that Arizona does not tax

Social Security benefits are not subject to Arizona state income tax. This applies to retirement, disability, and survivor benefits paid by the Social Security Administration. If Social Security is your only income, you will not owe Arizona state tax on it.

Certain types of retirement income receive partial or full exemptions. Military pensions and some other government pensions have exemptions under Arizona law. The state also exempts certain distributions from military retirement accounts. However, most private pensions, IRA withdrawals, and 401(k) distributions are taxed as ordinary income.

Interest from certain Arizona municipal bonds is exempt from state tax. Gifts and inheritances are not taxed. Workers' compensation benefits and some disability payments are also exempt. If you receive income from one of these sources, you may not need to report it on your Arizona return, but check the current rules or consult a tax preparer to be certain.

How to file your Arizona state tax return

Arizona residents file state income tax using Form 140 (for single and married filers) or Form 140-PZ (for part-year residents). You file by April 15 of the year following the tax year, the same deadline as federal taxes. If you need more time, you can request an extension, which gives you until October 15.

You can file by mail, online through the Arizona Department of Revenue's website, or through tax software that supports Arizona returns. Many people use commercial tax software like TurboTax, H&R Block, or TaxAct, which guides you through the Arizona return as part of the overall filing process. If your income is low enough, you may may have access to for free tax preparation through the Volunteer Income Tax Assistance (VITA) program, which operates at libraries and community centers across Arizona.

When you file, you will need your W-2 forms from employers, 1099 forms for other income, records of deductions or credits you claim, and your Social Security number. If you are self-employed, you will also need records of business income and expenses. File your Arizona return at the same time as your federal return to avoid confusion.

Tax credits and deductions available in Arizona

Arizona offers several tax credits that reduce the amount of tax you owe. A tax credit is different from a deduction — a credit directly reduces your tax bill dollar-for-dollar, while a deduction reduces your taxable income. The Earned Income Tax Credit (EITC) is available to low- and moderate-income workers and is claimed on your federal return; Arizona also allows you to claim a portion of the federal EITC on your state return.

Arizona offers a credit for taxes paid to other states if you worked in another state during the year and paid income tax there. You can claim a credit for property taxes or rent paid, though the rules are specific and the credit amount is limited. Parents may be able to claim a dependent exemption credit for each may have access to child.

The standard deduction is the most common way to reduce taxable income. For 2024, the standard deduction ranges from $14,800 for a single filer under 65 to higher amounts for those 65 and older or filing as married. If you have significant deductible expenses — mortgage interest, charitable donations, medical expenses — you may benefit from itemizing deductions instead of taking the standard deduction, though most filers use the standard deduction.

What happens if you do not pay Arizona state income tax

If you owe Arizona state income tax and do not pay it, the Arizona Department of Revenue can take collection action. The department may place a lien on your property, garnish your wages, or intercept your state tax refund to cover the debt. If you owe a large amount, the state may also refer the case to a collection agency.

If you filed late or did not file at all, penalties and interest accrue on top of the original tax owed. The failure-to-file penalty is typically 5% of the unpaid tax per month, up to a maximum. Interest is charged monthly on the unpaid balance. The longer you wait to address the debt, the larger it becomes.

If you cannot pay the full amount, you can contact the Arizona Department of Revenue to set up a payment plan. The department may also consider an offer in compromise if your financial situation makes full payment impossible. Addressing the debt early is less costly than waiting for collection action.

Frequently Asked Questions

Do I have to pay Arizona income tax if I just moved there?

If you moved to Arizona partway through the year, you file as a part-year resident and pay Arizona tax only on income earned after you arrived. You report income from before you moved on your previous state's return. Use Form 140-PZ to report part-year residency status.

Is Social Security taxed in Arizona?

No. Arizona does not tax Social Security retirement, disability, or survivor benefits. If Social Security is your only income, you will not owe Arizona state tax. Other retirement income, such as pensions and IRA withdrawals, is usually taxed.

What if I worked in another state but live in Arizona?

You file an Arizona return and report all income, including income earned in other states. Arizona allows a credit for taxes paid to other states to prevent double taxation. You may also need to file a return in the state where you worked, depending on that state's rules.

Can I get a refund if too much tax was withheld from my paycheck?

Yes. If your employer withheld more Arizona tax than you owe, you will receive a refund when you file your return. The refund is issued by check or direct deposit, typically within a few weeks of filing. You can also request that the overpayment be applied to next year's taxes instead.

What is the difference between the standard deduction and itemized deductions?

The standard deduction is a fixed amount based on your age and filing status that reduces your taxable income automatically. Itemized deductions let you list specific expenses like mortgage interest or charitable donations instead. Most Arizona filers use the standard deduction because it is simpler and results in a larger deduction for them.