Your hub for Arizona taxes: state income tax (Flat 2.5%), plus free calculators for take-home pay, self-employment tax, quarterly estimates, and salary conversion.
Last updated: May 2026 · Data: IRS, BLS, Arizona Department of Revenue
Arizona levies a state income tax (Flat 2.5%) that is withheld from wages on top of federal tax and FICA. Arizona adopted a flat income tax rate of 2.5% starting in 2023, making it one of the lowest flat-rate income tax states in the nation.
| Tax | 2026 Rate / Detail |
|---|---|
| Arizona State Income Tax | Flat 2.5% |
| Arizona State Sales Tax (base) | 5.6% |
| Federal Income Tax | 10% to 37% (progressive brackets) |
| Social Security | 6.2% on first $176,100 |
| Medicare | 1.45% on all wages (plus 0.9% above $200,000) |
| Federal Standard Deduction (Single / MFJ) | $15,000 / $30,000 |
| Minimum Wage | $14.70 / hour |
| State Tax Authority | Arizona Department of Revenue |
Arizona has a state income tax. The 2026 rate is Flat 2.5%. This applies on top of federal income tax and FICA (Social Security and Medicare) withheld from your pay.
For 2026, Arizona income tax is Flat 2.5%. Arizona adopted a flat income tax rate of 2.5% starting in 2023, making it one of the lowest flat-rate income tax states in the nation.
A Arizona paycheck has federal income tax, Arizona state income tax (Flat 2.5%), Social Security (6.2% up to $176,100), and Medicare (1.45%) withheld. Try the take-home pay calculator for a personalized net-pay estimate.
Yes. Self-employed workers in Arizona generally make quarterly estimated payments to the IRS and to the state if they expect to owe tax. The quarterly estimated tax calculator estimates each payment and the due dates.
The Arizona statewide base sales tax rate is 5.6%. Local jurisdictions may add their own rates on top of the state rate.