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Wisconsin

State Income Tax

3.5–7.65%
Rate Range
Exempt
Social Security
2026-04-15
Filing Deadline
4 brackets
Structure

Wisconsin imposes a state income tax using a graduated tax structure with 4 brackets ranging from 3.5% to 7.65%. The filing deadline is 2026-04-15. Social Security benefits are exempt from Wisconsin state income tax. Retirement income is generally taxable. Social Security exempt; up to $5,000 exclusion for some retirement income if 65+.

Full Tax Details

Has Income TaxYes
Tax Structure4 Brackets
Rate3.5–7.65%
Single Standard Deduction$9,930
Married Standard Deduction$17,880
Single Personal Exemption$1,200
Married Personal Exemption$2,400
Taxes Social SecurityExempt
Taxes Retirement IncomeYes
Filing Deadline2026-04-15

Retirement Income Details

Social Security exempt; up to $5,000 exclusion for some retirement income if 65+.

How Wisconsin Compares to Neighboring States

StateRateStructureSocial Security
Wisconsin ★3.5–7.65%GraduatedExempt
Iowa3.8%FlatExempt
Illinois4.95%FlatExempt
Michigan4.25%FlatExempt
Minnesota5.35–9.85%GraduatedTaxable

Frequently Asked Questions — Wisconsin Income Tax

Does Wisconsin have a state income tax?

Yes. Wisconsin has a state income tax with a graduated structure ranging from 3.5% to 7.65% across 4 brackets.

What is the Wisconsin income tax rate?

Wisconsin has a graduated income tax with 4 brackets. The lowest rate is 3.5% and the highest rate is 7.65%.

Is Social Security taxed in Wisconsin?

No. Wisconsin does not tax Social Security benefits, which can be significant for retirees living on fixed incomes.

Is retirement income taxed in Wisconsin?

Yes. Wisconsin generally taxes retirement income. Social Security exempt; up to $5,000 exclusion for some retirement income if 65+.

When is the Wisconsin income tax filing deadline?

The Wisconsin state income tax filing deadline is 2026-04-15. You can file and pay through the official Wisconsin Department of Revenue portal.

What is the standard deduction in Wisconsin?

Wisconsin's standard deduction is $9,930 for single filers and $17,880 for married filing jointly. A personal exemption of $1,200 (single) may also apply.

How does Wisconsin income tax compare to neighboring states?

Wisconsin's top rate of 7.65% is in the moderate range nationally. Use the comparison table above to see how neighboring states compare.

Official Payment Portal

Wisconsin Department of Revenue

File & Pay →

Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.