Arizona Tax Rates 2025. Arizona will soon have the lowest income tax rate in the country among states that levy this tax and be the 11 th state to move to a flat tax structure. New for the 2023 tax year, arizona has a flat income tax rate of 2.5 percent.
Your 2024 individual income tax return is due by midnight on april 15, 2025. Arizona’s minimum wage will increase from $14.35 to $14.70 on jan.