Arizona State Income Tax Guide 2026
Arizona switched to a flat 2.5% income tax in 2024, replacing the previous progressive system with multiple brackets. This makes Arizona one of the most tax-friendly states in the nation with a simple, predictable tax rate.
🎯 Arizona Flat Tax Benefits:
- 2.5% flat rate - same for everyone regardless of income
- 25% deduction on long-term capital gains (effective rate: 1.875%)
- Simple calculation - no complex brackets
- Tax-friendly compared to California (13.3%) or New York (10.9%)
🌴 Great for Retirees:
- No tax on Social Security benefits
- Military retirement pay fully exempt
- Low property taxes (~0.45% - 4th lowest in US)
- Warm weather year-round
Arizona Tax History
Before 2024, Arizona had a progressive tax system with rates from 2.55% to 4.5%. The state simplified to a flat 2.5% rate, making tax filing easier for residents and businesses.
What Taxes Do You Pay in Arizona?
Arizona residents pay the following taxes:
- Federal Income Tax: Standard federal rates apply (10% - 37%)
- Federal Self-Employment Tax: 15.3% on net self-employment income
- Arizona State Tax: 2.5% flat rate on taxable income
- Property Tax: ~0.45% average (4th lowest in US!)
- Sales Tax: 5.6% state + local = 8.38% average
Arizona Capital Gains Treatment
Long-term Capital Gains (held > 1 year):
- 25% of gains are deductible from Arizona taxable income
- Effective tax rate: 2.5% × 75% = 1.875%
- Much lower than California (13.3%) or New York (8.82%)
Short-term Capital Gains (held ≤ 1 year):
- Taxed as ordinary income at 2.5% flat rate
- No special deduction
Arizona Standard Deduction 2026
- Single: $15,750
- Married Filing Jointly: $31,500
- Head of Household: $23,625
- Dependent Exemption: $2,500 per dependent
Tax Exemptions in Arizona
- Social Security Benefits: Fully exempt from state tax
- Military Retirement Pay: 100% exempt
- Railroad Retirement: Fully exempt
- 529 College Savings: Contributions deductible up to $4,000/year
2026 Federal Tax Brackets (Applies to AZ Residents)
| Tax Rate |
Single |
Married Filing Jointly |
| 10% | $0 - $12,400 | $0 - $24,800 |
| 12% | $12,401 - $49,500 | $24,801 - $99,000 |
| 22% | $49,501 - $105,400 | $99,001 - $210,800 |
| 24% | $105,401 - $201,150 | $210,801 - $402,300 |
| 32% | $201,151 - $255,425 | $402,301 - $510,850 |
| 35% | $255,426 - $640,600 | $510,851 - $768,700 |
| 37% | $640,601+ | $768,701+ |
Federal Standard Deduction 2026
- Single: $16,100
- Married Filing Jointly: $32,200
- Head of Household: $24,150
Pros and Cons of Living in Arizona
Pros:
- Simple flat 2.5% state income tax
- Very low property taxes (0.45% average)
- No tax on Social Security or military retirement
- Low capital gains tax (effective 1.875% on long-term)
- Affordable cost of living
- Warm, sunny weather year-round
- No estate or inheritance tax
Cons:
- Sales tax averages 8.38%
- Very hot summers (110°F+)
- Limited water resources
- Growing rapidly (increased traffic)
Arizona vs Other States
| State |
Income Tax |
Property Tax |
| Arizona | 2.5% flat | 0.45% |
| California | 1% - 13.3% | 0.72% |
| Texas | 0% | 1.47% |
| Florida | 0% | 0.79% |
| Nevada | 0% | 0.51% |
Who Should Move to Arizona?
- Retirees: No SS tax, low property tax, warm weather
- Remote Workers: Low flat tax keeps more income
- Investors: Only 1.875% effective rate on long-term gains
- Small Business Owners: Simple 2.5% flat tax
- California Escapees: Save 10.8% on income taxes!
Important: This calculator provides estimates for Arizona state tax combined with federal taxes. Arizona's flat 2.5% rate and capital gains deduction make calculations straightforward. For complete tax planning, consult with an Arizona CPA or tax professional.