Arizona Paycheck Calculator 2026
State
Arizona (AZ)
Tax Type
Flat Rate Tax
State Tax Rate
Flat 2.50%
Arizona State Income Tax Overview
Arizona imposes a flat state income tax rate of 2.50% on all taxable income. This means every dollar of your taxable income is taxed at the same rate, regardless of how much you earn.
How Arizona Taxes Work in 2026
Arizona levies a flat state income tax rate of 2.50% on all taxable income. A flat tax means every taxpayer pays the same percentage, regardless of income level, which simplifies tax filing. Arizona offers a standard deduction of $13,850 for single filers and $27,700 for married filing jointly. This deduction reduces your taxable income before the 2.50% rate is applied. In addition to the 2.50% state income tax, Arizona residents also pay federal income tax (10% to 37% based on income) and FICA taxes (6.2% Social Security + 1.45% Medicare).
Arizona Flat Tax Rate
Arizona applies a flat income tax rate of 2.50% on all taxable income, regardless of filing status or income level.
Standard deduction: $13,850 (single) / $27,700 (married filing jointly)