Tax Bracket Calculator for Wisconsin (WI) — Free Calculator

Wisconsin Tax Brackets (2026)

Wisconsin uses a graduated income tax system with a top marginal rate of 7.65%.

Wisconsin Bracket Structure

3.54% on first $13,810 (single); 4.65% on $13,811–$27,630; 5.3% on $27,631–$304,470; 7.65% above $304,470 (2024)

Wisconsin has four graduated income tax brackets with a top rate of 7.65%. The highest bracket doesn't kick in until $304,470 for single filers, meaning most Wisconsin residents pay at the 5.3% rate. Wisconsin has been discussing income tax reforms but significant reductions have not passed.

Federal Tax Brackets Still Apply to Wisconsin Residents

Regardless of Wisconsin's state tax rules, all residents pay federal income tax. Federal brackets for 2024 range from 10% (on income up to $11,600 for single filers) to 37% (on income over $609,350). Your effective federal rate is typically well below the top marginal rate due to the graduated bracket structure.

Effective vs. Marginal Rate in Wisconsin

Your marginal rate is the rate on your last dollar of income. Your effective rate is your total tax divided by total income. For Wisconsin residents the marginal rate can reach 7.65% but most filers pay a lower effective rate. The median household income in Wisconsin is $67,080.

Data: Tax Foundation (2024), IRS Statistics of Income, US Census Bureau ACS 2023. Updated 2024–2025. Figures reflect state averages — consult a licensed CPA for personalized tax advice.

Tax Bracket Calculator for Other States

Frequently Asked Questions

What tax brackets apply to Wisconsin residents?

Wisconsin has a graduated income tax system. 3.54% on first $13,810 (single); 4.65% on $13,811–$27,630; 5.3% on $27,631–$304,470; 7.65% above $304,470 (2024). Federal brackets also apply on top of the state tax.

What is the difference between marginal and effective tax rate in Wisconsin?

Your marginal rate is the rate on your highest dollar of income. Your effective rate is your total tax burden divided by total income. In Wisconsin, even if the top marginal rate is 7.65%, most residents pay a lower effective rate because lower income portions are taxed at lower brackets.

Does Wisconsin have different tax brackets for married filers?

Yes, Wisconsin typically has different bracket thresholds for single vs. married filing jointly filers. Married joint filers often have brackets approximately twice as wide, reducing the marriage penalty. Check the Wisconsin Department of Revenue for current bracket tables.

How does this tax bracket calculator work for Wisconsin?

Enter your income and filing status. The calculator applies both federal and Wisconsin state tax brackets to show your marginal rate, effective rate, and total estimated tax. Wisconsin's graduated rate of up to 7.65% is applied to your state taxable income.