Arizona Payroll Tax Calculator 2026
Calculate Arizona state income tax, federal withholding, Social Security, Medicare, and net take-home pay.
2026 Arizona tax rates · FICA · Arizona Form A-4
State Income Tax
2.5% flat rate
Social Security
6.2%
Medicare
1.45%
State Form
Arizona Form A-4
Calculate Your Arizona Paycheck
Enter your salary or hourly rate and get a full breakdown: Arizona state tax, federal income tax, Social Security, Medicare, and exact net pay.
Open Arizona Payroll Tax CalculatorFree · No signup · 2026 IRS & AZ rates
Arizona Tax Guide
Arizona Payroll Tax Overview 2026
Arizona uses a flat 2.5% income tax rate. All taxable income is taxed at the same percentage, regardless of how much you earn. This makes payroll calculations straightforward.
Arizona moved to a 2.5% flat income tax in 2023, one of the lowest flat rates in the US. All Arizona income is taxed at the same rate.
Arizona's flat 2.5% rate replaced a tiered system with a top bracket of 8%, dramatically reducing taxes for higher earners.
Arizona Payroll Tax Summary
State Income Tax2.5% flat rate
Tax TypeFlat rate
Social Security6.2% on first $176,100
Medicare1.45% (+ 0.9% over $200K)
FUTA (employer)0.6% on first $7,000
Employee FormArizona Form A-4
FAQ
Arizona payroll tax questions
What is the Arizona income tax rate for 2026?
Arizona uses a flat 2.5% income tax rate on all taxable income. Unlike progressive-tax states, the same rate applies whether you earn $30,000 or $300,000. This makes Arizona payroll tax calculations simple and predictable.
What taxes do Arizona employees pay on their paycheck?
Arizona employees pay: (1) Federal income tax (based on W-4 withholding); (2) Social Security tax (6.2% on wages up to $176,100); (3) Medicare tax (1.45%, plus 0.9% on income over $200,000); (4) Arizona state income tax (2.5% flat rate); The employer matches the Social Security and Medicare portions.
What payroll withholding form do Arizona employees use?
Arizona employees complete Arizona Form A-4 for state withholding in addition to the federal W-4. Employers use both forms to calculate the correct combined withholding amount.
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