Arizona Paycheck Calculator: A Simple Guide to What’s Withheld
Arizona’s civilian labor force stood at 3,816,500 as of September 2025, seasonally adjusted, with nonfarm employment at 3,258,100 over the same period. This number spans various industries, including healthcare, construction, tech manufacturing, hospitality, and logistics.
Whether you’re building semiconductors in Chandler, working a hospital shift for Banner Health in Phoenix, or serving guests along the Scottsdale resort corridor, your paycheck goes through the same series of deductions before it lands in your account.
Arizona runs on a flat income tax system, which makes the state piece of that calculation more straightforward than in many other states, but there are still a few layers to understand. This article walks through each layer in order: gross pay, federal withholding, FICA, and Arizona’s flat state income tax, so you have a clearer sense of what comes out of an Arizona paycheck and why.
Disclaimer: This page is for informational purposes only and is not tax advice. Tax rules can change, and individual situations vary. For personal tax questions, consider speaking with a qualified tax professional.
How your Arizona paycheck is calculated: a breakdown
Arizona taxes all taxable income at a single flat rate of 2.5%, regardless of how much you earn. That rate applies to taxable income after deductions, not your gross pay. Compared to a graduated system, this structure is more predictable. Even so, your pay stub still reflects multiple withholding layers, and understanding each one separately makes the full picture easier to follow.
Part 1: Begin with your gross pay
Gross pay is the total you earn before any deductions come out. For hourly workers, that means regular hours plus any overtime. For salaried employees, it is the fixed amount per pay period. Everything else on your pay stub flows from this starting number.
- Arizona minimum wage: Arizona’s statewide minimum wage is $14.70 per hour for non-tipped workers and $11.70 per hour for tipped workers (with a $3.00 tip credit), effective January 1, 2025.
- Regional variation: Flagstaff sets its local minimum at $17.85 per hour in 2025, while Tucson sits at $15.00 per hour.
Note: Your “taxable income” is what remains after eligible deductions are subtracted from gross pay. That lower figure, not your gross, is what the 2.5% state rate is applied to.
Part 2: Federal withholding and Arizona Form A-4
Your federal W-4 tells your employer how much federal income tax to withhold from each paycheck. The current Form W-4 uses dollar amounts rather than the older allowances system. Four main factors shape the result: your filing status, your income level, the number of dependents you claim, and any additional withholding you request.
In Arizona, you will also complete Form A-4 alongside your federal W-4. This is Arizona’s separate state withholding certificate, and it sets your state income tax withholding independently from your federal form. If you do not submit Form A-4 within five days of starting a new job, your employer is required to default to a 2.0% withholding rate until you submit it.
Common situations that may affect your W-4 and A-4
- Starting your first job. Complete both a federal W-4 and Arizona Form A-4 within five days of hire to set your withholding correctly from the start.
- Getting married. A change in filing status can affect your federal withholding; update your W-4 and review your A-4 election to reflect your new household situation.
- Having a child. Adding a dependent may reduce your federal withholding; update your W-4 so your employer calculates the new amount accurately.
- Working two jobs. Income from a second job is added to your total for the year; adjusting withholding on one or both W-4s can reduce the chance of a balance due at filing.
Part 3: Social Security and Medicare withholding (FICA)
Federal income tax withholding typically represents the largest single deduction on a paycheck. It follows progressive tax brackets, and you can find the current year’s federal bracket structure on the IRS website.
Social Security and Medicare taxes, together called FICA (Federal Insurance Contributions Act), are separate from federal income tax and apply at fixed rates:
- Social Security: 6.2% of wages, up to the annual wage base
- Medicare: 1.45% on all covered wages
Your employer matches both rates.
Additionally, employers must withhold a 0.9% Additional Medicare tax once an employee’s wages exceed $200,000 in a calendar year, regardless of filing status. Final liability is reconciled at filing. This surcharge is not employer-matched.
Combined with Arizona’s flat 2.5% state income tax, FICA means most Arizona workers see roughly 9.65% or more of gross wages withheld for taxes alone before any other deductions are factored in.
Part 4: Apply Arizona state income tax
Arizona taxes all taxable income at a flat rate of 2.5%. It does not matter whether you earn $30,000 or $300,000; the same rate applies to everyone. That rate is applied to taxable income after deductions, not your gross wages. For tax year 2025, Arizona conforms to the federal standard deduction, which is $15,750 for single filers and $31,500 for married filing jointly.
Arizona also allows a Standard Deduction Increase equal to 34% of qualified charitable contributions for non-itemizers, up from 33% in TY2024. The state uses a Dependent Tax Credit rather than personal exemptions.
One important point about Form A-4: employees choose their own withholding percentage on that form, anywhere from 0.5% to 3.5%. Because the actual tax owed at filing is 2.5%, electing a rate below that may result in a balance due in April. Employees who want to minimize surprises at tax time may want to elect 2.5% or higher.
As of tax year 2025, Arizona does not permit local income taxes. So, private-sector workers in Phoenix, Tucson, Scottsdale, Mesa, Chandler, and Flagstaff will not see a local tax line on their pay stubs. Only the state-level income tax applies alongside federal withholding and FICA.
For full year-by-year guidance, visit the Arizona Department of Revenue.
Arizona income tax (all filing statuses)
| Tax rate | Taxable income |
|---|---|
| 2.50% | All taxable income (flat rate) |
Source: Arizona Department of Revenue. Standard deduction: $15,750 (single) / $31,500 (married filing jointly). Same 2.5% rate applies to all filing statuses.
Where does your income fall in Arizona?
Median household income gives you a useful benchmark for understanding where a typical Arizona paycheck stands relative to other households in the state.
Median household income in Arizona
$81,486
Source: U.S. Census Bureau, 2024 American Community Survey 1-Year Estimates
Median household income in Arizona
| Household type | Median income |
|---|---|
| Families | $98,284 |
| Married-couple families | $115,018 |
| Nonfamily households | $51,008 |
Source: U.S. Census Bureau
At the state median income of $81,486, a single filer would be looking at $336 total taxes on their weekly paycheck as per the EarnIn paycheck calculator estimates.
4 ways your take-home pay can change
Your gross pay sets the ceiling, but several factors determine how much of it you actually keep. Here are four areas where your choices can make a measurable difference.
W-4 and Arizona Form A-4 selections
The percentages you elect on your withholding forms directly affect what your employer withholds each pay period. On Arizona’s Form A-4, electing a rate below 2.5% generally means less is withheld from each paycheck, which may result in a balance due at tax time. Electing 2.5% or higher may bring withholding closer to your expected tax liability.
Retirement contributions
Arizona generally starts from federal adjusted gross income (AGI), so pre-tax 401(k) contributions that reduce your federal AGI also reduce your Arizona taxable income. This may lower your overall state withholding, though results depend on your specific contribution amount and total income.
HSAs and FSAs
Arizona generally follows federal tax treatment for accounts like Health Savings Accounts (HSAs). Because the state starts with federal AGI, HSA contributions made on a pre-tax basis may reduce your taxable income at both the federal and state level. Similarly, Flexible Spending Account (FSA) contributions made through payroll are usually excluded from taxable income.
Pay frequency
Whether you are paid weekly, biweekly, or semimonthly affects how much is withheld each period, even though your annual total remains the same. More frequent pay periods typically mean smaller withholding amounts per check.
Tax outcomes can vary based on your individual situation. Consulting a qualified tax professional for guidance may be the most dependable way to plan your taxes.
Practical Arizona paycheck reminders
Submit Form A-4 promptly. You have five days from your start date to submit Arizona’s state withholding form. Missing that window may mean that your employer defaults to 2.0% withholding, which may leave you with a balance due at filing.
Elect 2.5% or higher on your A-4. Because the actual Arizona flat tax rate is 2.5%, choosing a withholding percentage below that may mean more take-home pay weekly, but you may end up owing taxes in April.
Review your pay stubs regularly. It may be useful to check that both federal and Arizona state withholding lines reflect your current W-4 and A-4 elections, especially after a job change.
Update your W-4 after life events. Marriage, the birth of a child, or taking on a second job can all shift your federal withholding needs. Updating your W-4 promptly can keep withholding accurate.
Understand Social Security benefits. If you receive Social Security income, it is not subject to Arizona’s 2.5% rate. Military retirement pay is also fully exempt for tax years 2021 and forward.
Why does take-home pay feel different in Arizona?
Arizona’s flat 2.5% rate makes the state piece of your paycheck more predictable than in graduated-rate states — the same rate applies to everyone, regardless of income. But your paycheck reflects more than just state tax. Federal withholding still follows progressive brackets, FICA continues at 7.65% combined, and any pre-tax deductions for retirement, HSAs, or FSAs change the taxable base before either federal or Arizona tax is calculated.
For a worker earning $60,000, the combined withholding picture looks roughly like this:
- FICA: 7.65% of gross wages = approximately $4,590
- Arizona state income tax: Approximately $1,291 (estimated, single filer)
- Federal income tax: Varies by W-4 selections
Arizona’s flat-rate structure also interacts with your A-4 election: if you choose a rate below 2.5%, weekly take-home pay is higher but a balance may be due at filing. If you elect 2.5% or higher, weekly take-home is slightly lower but withholding tracks more closely to your actual liability.
Budget around your Arizona paycheck with our financial calculators
EarnIn’s financial calculators1 can help you estimate how your Arizona paycheck may cover recurrent expenses such as rent and bills.
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Arizona paycheck vs. other states
The table below presents cost and tax data across three states as context, not a verdict. Each worker’s situation is different, and these figures are meant to help you see where Arizona sits relative to a no-income-tax state and a progressive-tax state.
- State income tax: None
- Est. state tax on $60K (single): $0
Typical metro costs (Dallas):
- 1-bedroom rent (721 sq ft): ~$1,406/month
- Monthly transit pass: ~$126
- Gas (per gallon): ~$3.02
- Dozen eggs: ~$4.61
- State income tax: 2.5% (flat)
- Est. state tax on $60K (single): ~$1,291
Typical metro costs (Phoenix):
- 1-bedroom rent (768 sq ft): ~$1,338/month
- Monthly transit pass: ~$64 (Valley Metro)
- Gas (per gallon): ~$4.436
- Dozen eggs: ~$6.03
- State income tax: 4.75%–9.9% (progressive)
- Est. state tax on $60K (single): ~$4,676
Typical metro costs (Portland):
- 1-bedroom rent (731 sq ft): ~$1,193/month
- Monthly transit pass: ~$2.80 (2.5-hour pass)
- Gas (per gallon): ~$4.821
- Dozen eggs: ~$5.80
Sources: Valley Metro, RentCafe, AAA Fuel Prices, Numbeo, March 2026.
FAQs
Does Arizona have a flat income tax?
What percentage of my Arizona paycheck goes to state income tax?
Does Arizona tax retirement income?
How does Arizona’s Form A-4 work, and why isn’t my employer withholding exactly 2.5%?
Does Arizona tax retirement income from a 401(k) or IRA?
Please note, the material collected in this post is for informational purposes only and is not intended to be relied upon as or construed as advice regarding any specific circumstances. Nor is it an endorsement of any organization or services.
EarnIn is a financial technology company, not a bank. Banking Services are provided by Evolve Bank & Trust or Lead Bank, both Member FDIC. The FDIC provides deposit insurance to protect your money in the event of a bank failure. More details about deposit insurance here. The EarnIn Card is issued by Evolve Bank & Trust, pursuant to a license from Visa U.S.A. Inc. Visa is a registered trademark of Visa International Service Association.
¹The calculations provided are based on estimates and should be used for informational purposes only. Please be aware that comparisons may not be 100% accurate. The insights and data presented do not constitute financial advice, and we recommend consulting with a qualified financial advisor for personalized guidance.
