Quick answer
Arizona has a flat 2.50% state income tax for 2026. The single-filer standard deduction is $8,350, per the Tax Foundation's compilation of state law as of January 1, 2026.
Data as of 2026-01-01. Source: Tax Foundation (state statutes, Jan 1 2026)
| Single rate | Single: income over | Married-joint rate | Married-joint: income over |
|---|---|---|---|
| 2.50% | $0 | 2.50% | $0 |
Related
- Alabama state income tax rates and brackets 2026
- Alaska state income tax rates and brackets 2026
- Arkansas state income tax rates and brackets 2026
- California state income tax rates and brackets 2026
- Colorado state income tax rates and brackets 2026
- Connecticut state income tax rates and brackets 2026
- Delaware state income tax rates and brackets 2026
Last updated 2026-10-16. Data only, not financial or tax advice.