2.5% flat rate (lowest among states with income tax, down from 4-bracket system in 2021)
Arizona has a 2.5% flat income tax - the lowest rate among all 41 US states with income tax. At $100,000 income, Arizona residents pay only $2,500 state tax (2.5% effective rate) plus $12,908 federal tax. Arizona dramatically cut taxes in 2023 (down from 4.5% top rate), making it highly competitive with no-income-tax states like Nevada and Texas while offering major metro amenities.
Arizona has a 2.5% flat income tax on all income - the lowest state income tax rate in the entire United States among the 41 states that have an income tax. Everyone pays 2.5% regardless of income level, making Arizona's tax structure extremely simple and competitive.
How Arizona got here - the 2023 tax revolution: Until 2023, Arizona had a 4-bracket progressive system (2.59%, 3.34%, 4.17%, 4.5% top rate). In 2023, Arizona collapsed all brackets into a single 2.5% flat rate, representing a massive tax cut especially for high earners. A household at $200K saved $3,000/year instantly (4.5% to 2.5% = $4,000 savings). This was part of a decade-long effort to attract California refugees and compete with Texas/Nevada (0% income tax states).
How it compares nationally:
The catch - local taxes exist: Unlike California (no local income tax) or Texas (no income tax at all), Arizona cities can't levy local income taxes. However, Arizona has 5.6% state sales tax + up to 5.6% local (11.2% max in some cities like Tucson). Property tax is moderate at 0.63% average (much lower than TX 1.6% or IL 2.08%).
Source: Arizona Department of Revenue - Individual Income Tax
Here's what Arizona residents actually pay at different income levels (2026, single filer, standard deduction):
| Annual Income | Federal Tax | State Tax | Total Tax | Take-Home Pay | Effective Rate |
|---|---|---|---|---|---|
| $50,000 | $4,166 | $1,250 | $5,416 | $44,584 | 10.8% |
| $75,000 | $8,340 | $1,875 | $10,215 | $64,785 | 13.6% |
| $100,000 | $12,908 | $2,500 | $15,408 | $84,592 | 15.4% |
| $150,000 | $25,218 | $3,750 | $28,968 | $121,032 | 19.3% |
| $250,000 | $54,094 | $6,250 | $60,344 | $189,656 | 24.1% |
Note: Includes federal and state income tax only. Does not include FICA (Social Security/Medicare), which adds 7.65% for employees.
Key takeaway: At $100K, Arizona takes $2,500 in state tax alone.
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Get Matched With a CPA →Migration Trends: According to U.S. Census Bureau data (2021-2022), Arizona experienced massive net immigration of 93,026 residents - one of the highest in the nation. Top origin states were:
Outflow: Arizona lost relatively few residents, mainly to:
Why people move to Arizona (the California effect):
Why people leave Arizona:
Tax considerations if moving here:
The California refugee math at $150K income:
| State | Tax Rate | Tax on $100K Income | Difference from Arizona |
|---|---|---|---|
| Arizona | 2.5% flat | $2,500 | Baseline |
| California | 1-13.3% | $5,762 | +$3,262 (more tax) |
| Nevada | 0% | $0 | -$2,500 (less tax) |
| Utah | 4.65% flat | $4,650 | +$2,150 (more tax) |
| New Mexico | 1.7-5.9% | $4,280 | +$1,780 (more tax) |
Key insight: Arizona's 2.5% flat tax saves residents $1,780-$3,262/year at $100K income vs neighboring states with income tax. At $150K, savings jump to $2,670-$8,012/year vs CA. At $250K, savings reach $4,450-$26,512/year vs CA. Arizona is the lowest-tax state in the region except Nevada (0%).
But consider the full picture - total tax burden:
The Nevada question - should you just go to Vegas?
The California exodus math (critical for CA refugees):
Property tax comparison (critical for homeowners):
Bottom line for California refugees at $150K + $410K Phoenix home:
Result: Arizona's 2.5% flat tax + low property tax + moderate cost of living makes it the #1 destination for California refugees. The $10,000+ annual savings at tech salaries ($150K+) buys a lot of air conditioning for those brutal summers.
Yes, among the 41 states with income tax, Arizona's 2.5% flat rate is the absolute lowest in the nation. Only 9 states have no income tax at all (Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, Wyoming). Arizona's 2.5% beats North Dakota (2.9% floor), Indiana (3.05%), Pennsylvania (3.07%), and all other income-tax states. This makes Arizona extremely competitive with no-tax states while offering better infrastructure and services than many of them.
Arizona cut its top income tax rate from 4.5% to 2.5% flat in 2023, eliminating the 4-bracket progressive system (2.59%, 3.34%, 4.17%, 4.5%). At $100K income, this saved $2,000/year. At $200K, it saved $3,000/year. At $500K, it saved $10,000/year. The goal was to compete with Texas/Nevada (0% income tax) for California refugees and high-income workers. Arizona recognized that the Phoenix metro boom (4.9M people, fastest-growing major metro 2010-2020) required competitive tax rates to sustain growth.
Depends on priorities. Nevada saves $2,500/year more at $100K income (0% vs 2.5%), but Phoenix offers better job market (semiconductors, aerospace, finance), schools (AZ #44 vs NV #48 nationally but Phoenix suburbs are strong), and lower crime (Phoenix 508 violent crimes/100K vs Las Vegas 784/100K). Las Vegas has gaming/hospitality jobs; Phoenix has Intel, TSMC, Raytheon, Boeing. Cost of living similar (Phoenix $410K median home vs Vegas $300K, but Phoenix wages 15% higher). If you're in tech/semiconductors, Phoenix's $2,500/year extra tax is worth it for job opportunities. If you're remote/retired, Nevada's 0% wins.
Excellent. Arizona offers: (1) Social Security 100% exempt from state tax (unlike Colorado, New Mexico where it's partially taxable), (2) 2.5% tax on pension/401k withdrawals (among the lowest rates nationally), (3) Property tax freeze at age 65+ if income is under ~$41K (prevents displacement), (4) No estate tax or inheritance tax (unlike WA, OR). At typical retiree income ($60K Social Security + pension): pay only $1,500 AZ tax (2.5% on $60K) vs $2,640 in Utah (4.4%), $0 in Nevada/Florida (0%). Warm winters seal the deal - Phoenix/Tucson are top-10 retirement destinations nationally.
Arizona's total tax burden is moderate. Property tax is 0.63% (low) - on $410K Phoenix median home = $2,583/year. Sales tax is 8.6% Phoenix average (high) - on $50K spending = $4,300/year. At $100K income: $2,500 state income + $2,583 property + $4,300 sales = $9,383 total state/local tax (9.4% of income). Compare to California at $100K with $750K home: $5,762 income + $5,550 property + $3,625 sales (7.25% on $50K) = $14,937 total (14.9%). Arizona saves $5,554/year. Sales tax is regressive (hurts lower earners), but overall AZ's tax burden is 37% lower than CA for middle/upper-middle class.
How we calculate: Arizona uses a simple 2.5% flat tax on all Arizona taxable income (federal AGI minus Arizona standard deduction of $13,850 for single filers in 2026). Our calculator applies the 2.5% rate to taxable income and adds federal income tax using official 2026 IRS brackets. We calculate effective tax rates by dividing total tax by gross income. For comparison purposes, we show neighboring states' tax calculations at the same income levels using their official 2026 tax brackets and rates.
Data sources:
Verification: Arizona's 2.5% flat tax rate verified against Arizona Revised Statutes Title 43 (Taxation of Income) and Arizona Department of Revenue 2026 tax guidance published January 2026. Federal tax bracket accuracy verified against IRS Revenue Procedure 2025-58 (2026 inflation adjustments). Migration data sourced from IRS Statistics of Income (SOI) Tax Stats via Census Bureau. Property tax and sales tax averages calculated from Arizona Department of Revenue 2025 annual report.
Limitations: Assumes single filer with W-2 income only, standard deduction (not itemized), Arizona full-year residency. Does not include: Arizona-specific deductions (charitable contributions to qualifying organizations, 529 plan contributions), federal tax credits (EITC, child tax credit), part-year or nonresident calculations, self-employment tax, local sales tax variations (5.6-11.2% depending on city), property tax variations by county (Maricopa County 0.66%, Pima County 0.86%, rural counties 0.4-1.0%). Retirement income calculations assume no Social Security (exempt) and all income from pensions/401k (taxed at 2.5%).
For complex situations: Consult a licensed Arizona CPA or tax attorney, especially for: part-year residency (Arizona taxes income earned while AZ resident), multi-state income allocation (telecommuters working for out-of-state employers), rental property income (depreciation, passive loss rules), business income (Arizona doesn't have separate corporate rate for pass-throughs - all taxed at 2.5% individual rate), nonresident taxation (working in AZ while living in another state), property tax freeze eligibility (age 65+ with income limits).
These calculations are estimates for informational purposes only and reflect 2026 Arizona tax law (2.5% flat rate on Arizona taxable income). Tax situations vary based on filing status, deductions, credits, income types, and residency status. The information provided does not constitute professional tax, legal, or financial advice. Arizona tax law changes occasionally - the 2.5% flat rate took effect in 2023 (down from 4-bracket system). Does not include local sales tax variations (5.6-11.2% depending on city), property tax variations by county, or Arizona-specific deductions/credits. Federal tax laws change annually. Always verify current rates with the Arizona Department of Revenue and IRS, and consult a licensed tax professional for advice specific to your situation, especially for part-year residency, multi-state income, or complex deductions.
Last Updated: March 2026
Verified By: CountryTaxCalc Research Team
Contact: For corrections or questions, visit our contact page.
Last Updated: March 2026