Arizona Income Tax
Arizona uses a flat income tax rate applied to all taxable income. Combined with federal tax, this determines your total income tax burden.
Why It Matters
Understanding Arizona's income tax structure helps you accurately estimate take-home pay, compare compensation across states, and plan for your total tax burden.
Try the calculator
Open Arizona Income Tax Calculator →How It Works
The calculator computes both your federal and Arizona state income tax to show your combined tax burden. Enter your taxable income to see the breakdown.
Example
A single filer with $75,000 in taxable income in Arizona pays $1,875 in state income tax (flat 2.50% rate), plus $11,414 in federal tax. Total combined: $13,289 — a combined effective rate of 17.7%.
Resources
Frequently Asked Questions
Does Arizona have a standard deduction?
Arizona's deduction rules vary. Some flat-tax states conform to the federal standard deduction, while others have their own. Check your state tax authority for details.
Is Arizona's income tax in addition to federal tax?
Yes. You pay both federal income tax (progressive brackets up to 37%) and Arizona's flat 2.50% state income tax. This calculator shows both combined for your total tax burden.
What is Arizona's income tax rate?
Arizona has a flat income tax rate of 2.50% applied to all taxable income regardless of how much you earn.
Key Terms
Next review: 2027-01-15 • Applies to tax year: 2025