Alabama Salary Paycheck Calculator

Alabama Taxes: What You Need to Know

Alabama has a progressive income tax system with three brackets, applying rates from 2% to 5% across all taxable income levels. The brackets differ depending on filing status.

For single filers, heads of family, and married filing separately, the first $500 is taxed at 2%, the next $2,500 at 4%, and all income over $3,000 at 5%. For married persons filing jointly, the first $1,000 is taxed at 2%, the next $5,000 at 4%, and all income over $6,000 at 5%.

Because the top 5% rate kicks in at just $3,000 (singles) or $6,000 (joint filers), virtually every Alabama employee reaches the top bracket. These thresholds have not changed since 1935. Employers may withhold Alabama state income tax on bonus and supplemental wage payments at a flat rate of 5%.

Additionally, Alabama allows the deduction of federal income taxes paid as part of its state withholding formula – a significant distinction from most states. Many cities may also impose local taxes.

Here’s a summary of the various tax withholdings and deductions in Alabama:

Federal, State, and Local Tax Withholding

• Federal Tax Withholding: Based on the employee’s W-4, covering filing status and dependents. Federal rates range from 10% to 37%.
• State Tax Withholding: Alabama’s progressive rates run from 2% to 5%, applied using the ADOR withholding formula. Notably, Alabama requires use of Form A-4 — the federal W-4 is not an acceptable substitute.
• Local Tax Withholding: Some municipalities may impose additional local taxes.

FICA & State Insurance Taxes

1. FICA Taxes: Social Security is taxed at 6.2% on earnings up to $160,200; Medicare at 1.45% on all earnings, with an additional 0.9% on earnings over $200,000 for single filers.
2. State Insurance Taxes: Include unemployment insurance and workers’ compensation, which vary by employer.

Pre-Tax Deductions

• Standard Deduction: Alabama uses a sliding-scale standard deduction based on filing status and gross income, determined by the ADOR Standard Deduction Chart.
• Federal Withholding Deduction: Annualized federal withholding is subtracted from Alabama gross income before applying state brackets — reducing Alabama taxable income.
• Personal Exemptions: Claimed via Form A-4; $1,500 for single/married filing separately, $3,000 for married filing jointly or head of family.
• Dependent Exemptions: $1,000 per dependent for employees earning $50,000 or less; $500 per dependent for those earning over $50,000 up to $100,000.
• 401(k), HSA, FSA, and health insurance premiums are deducted pre-tax, reducing Alabama taxable income.

Tax Percentage Table

Source: Alabama Department of Revenue

Alabama Tax Brackets 2026

Alabama’s income tax brackets apply differently depending on filing status. Unlike most states, these thresholds have remained unchanged since 1935.

Single Filers, Heads of Family, and Married Filing Separately

Married Persons Filing a Joint Return

Source: ADOR FAQ – Alabama Individual Income Tax Rate

These brackets apply to all filing statuses as specified above. Employers may withhold at a flat 5% rate for bonuses and supplemental wages.

For a better understanding, here’s how Alabama state income tax is calculated for an individual earning $50,000 (single filer):

• Income Range: $0 – $500 — Tax Rate: 2% — Tax: $500 × 2% = $10.00
• Income Range: $501 – $3,000 — Tax Rate: 4% — Tax: $2,500 × 4% = $100.00
• Income Range: Over $3,000 — Tax Rate: 5% — Tax: $47,000 × 5% = $2,350.00

Total Alabama State Tax: $10 + $100 + $2,350 = $2,460.00

Alabama Filing Thresholds – Who Must File

From the ADOR Form 40 Booklet (tax year 2025, returns filed in 2026). These are the minimum gross income levels at which a return is required.

Source: ADOR Form 40 Booklet 2025, Page 5

Income Exempt from Alabama Income Tax

The following income types are exempt by statute, per the Alabama Department of Revenue’s official exemptions list.

Retirement and Government Benefits

Other Exempt Income

Source: ADOR – Income Exempt from Alabama Income Taxation

What’s New for Tax Year 2025 (Filed in 2026)

From the ADOR Form 40 Booklet 2025 “What’s New For 2025” section:

Source: ADOR Form 40 Booklet 2025, Page 2

New for 2026: 30-Day Safe Harbor Rule (Act 2025-334)

Effective January 1, 2026, Act 2025-334 created a 30-day safe harbor rule exempting Alabama earnings from taxation for out-of-state workers performing services in Alabama for 30 or fewer days in a calendar year, alleviating both employee filing and employer withholding obligations.

All three conditions must be met to qualify:

Exclusions — the following are NOT eligible:

Reporting Rules:

Important: The 30-day threshold is a cliff. Day 31 makes the entire year’s Alabama earnings retroactively taxable. ADOR recommends using a time and attendance record system to track multi-state employee duties.

Source: ADOR – 30-Day Safe Harbor Rule (Act 2025-334)

Overtime Pay – Exemption Ended June 30, 2025

The Alabama income tax exemption on overtime wages ended on June 30, 2025. All overtime compensation paid from July 1, 2025 onward is fully taxable as ordinary wages.

W-2 Reporting for Tax Year 2025 (Filed in 2026):

• Report exempt overtime earned January 1 – June 30, 2025 in W-2 Box 14 using code “EX OT WAGES”
• Do NOT include exempt overtime wages in Box 16 (State wages)
• For tax year 2026 W-2s: no overtime reporting required — all overtime is ordinary wages

Source: ADOR – Overtime Pay Exemption (Amended)

Wrapping up

Alabama keeps its tax system pretty straightforward, with a progressive state income tax topping out at 5%, plus your usual federal and FICA withholdings. A few things worth noting for 2026: overtime pay is now fully taxable, there’s a new 30-day safe harbor for out-of-state workers, and some fresh credits around childcare and housing. Alabama also lets you deduct federal taxes from your state income, which is a nice perk most states don’t offer!