Alabama has only three state income tax brackets, and the top one starts almost immediately. A single filer reaches the 5 percent rate once taxable income passes 3,000 dollars, which means the lower rates apply to a tiny first slice and nearly all of an ordinary salary is taxed at 5 percent. The bracket table looks progressive, but in practice it behaves almost like a flat tax with a small discount at the bottom.
Enter your salary and filing status to see the Alabama line alongside federal tax and FICA.
The single schedule, and why it is so short
| Single taxable income | Rate |
|---|---|
| Up to $500 | 2% |
| $500 to $3,000 | 4% |
| Over $3,000 | 5% |
Joint thresholds are double the single ones at the first two steps: up to $1,000 at 2 percent, $1,000 to $6,000 at 4 percent, and over $6,000 at 5 percent. The standard deduction is $3,000 single and $8,500 joint. Source for the brackets and deductions: Tax Foundation 2026 State Income Tax Rates and Brackets, as of 1 January 2026.
Compare this with the federal schedule, where the top rates start in six figures. In Alabama, a single filer earning $80,000 a year is not climbing brackets through the year. They pass all three thresholds in the first paychecks and then stay at 5 percent for the rest of it.
Worked example: $80,000 single, no pre-tax deductions
Take a single filer with an $80,000 salary and no pre-tax deductions. State taxable income is $80,000 minus the $3,000 single standard deduction, which is $77,000. The tax is calculated slice by slice:
| Slice | Tax |
|---|---|
| First $500 at 2% | $10 |
| Next $2,500 at 4% | $100 |
| Remaining $74,000 at 5% | $3,700 |
| Total state tax | $3,810 |
The marginal rate is 5 percent, because the last dollar sits in the top bracket. The effective rate on taxable income is $3,810 divided by $77,000, about 4.95 percent, and on gross pay it is about 4.76 percent. The gap between the marginal and effective rates is only $110, the saving from the two lower slices. Paid biweekly, the state line is $3,810 divided by 26, about $146.54 per paycheck.
A raise works the same way. Every extra dollar of taxable income above $3,000 is taxed at 5 percent, so a $5,000 raise adds $250 of Alabama tax before federal tax and FICA. There is no bracket surprise waiting higher up, because the filer is already in the top bracket.
Two things the bracket result does not include
First, Alabama gives a personal exemption of $1,500 single and $3,000 joint, and that exemption is not in the calculator's standard deduction fields. The worked figure above follows the calculator, so the two match, but a filer claiming the exemption would have lower taxable income on a return. Second, some Alabama counties and cities levy occupational taxes, and those are not in the state result either. Both points are why the calculator is an estimate, not a payslip.
This guide gives general information only, not a determination for an individual return. For the federal slice on the same salary, see the federal brackets guide, and for the difference between the marginal and effective rates, see the marginal rate guide linked from the paycheck hub.
FAQs
Is Alabama's top rate really 5 percent?
Yes, for 2026, and it applies to single taxable income over $3,000. The rate is low by national standards, but the threshold is so low that most pay is taxed at that rate.
Does filing jointly change the rate?
It changes the thresholds and the standard deduction, not the rates. Joint filers reach 5 percent over $6,000 of taxable income, with an $8,500 standard deduction, so a joint household at the same salary pays less state tax than a single filer.
Why is my Alabama withholding higher than this guide's figure?
Withholding tables, a local occupational tax, or a pre-tax deduction treated differently can all move the per-paycheck figure. Compare the annual state line on the calculator with the annual total withheld, not a single paycheck in isolation.