Tax Bracket Calculator for Kansas (KS) — Free Calculator

Kansas Tax Brackets (2026)

Kansas uses a graduated income tax system with a top marginal rate of 5.7%.

Kansas Bracket Structure

3.1% on first $15,000 (single)/$30,000 (joint); 5.25% on $15,001–$30,000 (single)/$30,001–$60,000 (joint); 5.7% above those thresholds

Kansas has three income tax brackets with a top rate of 5.7%. Kansas previously attempted to eliminate its income tax entirely (2012 tax experiment), which created budget crises and was reversed by 2017. The current structure reflects a stabilized approach.

Federal Tax Brackets Still Apply to Kansas Residents

Regardless of Kansas'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 Kansas

Your marginal rate is the rate on your last dollar of income. Your effective rate is your total tax divided by total income. For Kansas residents the marginal rate can reach 5.7% but most filers pay a lower effective rate. The median household income in Kansas is $62,087.

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.

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Frequently Asked Questions

What tax brackets apply to Kansas residents?

Kansas has a graduated income tax system. 3.1% on first $15,000 (single)/$30,000 (joint); 5.25% on $15,001–$30,000 (single)/$30,001–$60,000 (joint); 5.7% above those thresholds. Federal brackets also apply on top of the state tax.

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

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 Kansas, even if the top marginal rate is 5.7%, most residents pay a lower effective rate because lower income portions are taxed at lower brackets.

Does Kansas have different tax brackets for married filers?

Yes, Kansas 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 Kansas Department of Revenue for current bracket tables.

How does this tax bracket calculator work for Kansas?

Enter your income and filing status. The calculator applies both federal and Kansas state tax brackets to show your marginal rate, effective rate, and total estimated tax. Kansas's graduated rate of up to 5.7% is applied to your state taxable income.