State Income Tax Calculator for South Dakota (SD) — Free Calculator

South Dakota State Income Tax Overview

South Dakota (SD) state income tax rate: 0% — South Dakota has no state income tax.

South Dakota has no individual income tax. The state relies primarily on sales tax revenue (4.5%). South Dakota is known as a trust-friendly state with some of the most favorable trust laws in the country — many wealthy Americans establish trusts in South Dakota to take advantage of its no-income-tax status and favorable trust laws.

Median Household Income in South Dakota

The median household income in South Dakota is $61,898. South Dakota's median income is near the national average. The Black Hills region, Sioux Falls financial sector, and agriculture anchor the economy. The lack of income tax is a significant financial advantage for residents.

How to Use This Calculator for South Dakota

Enter your gross income and filing status
South Dakota has no state income tax — you'll only owe federal income tax
Subtract your standard deduction and any applicable credits
Review your estimated state and federal tax liability

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 is the South Dakota state income tax rate?

South Dakota has no state income tax. Residents pay only federal income tax.

How does South Dakota's income tax compare to the national average?

South Dakota is one of nine states with no individual income tax, making it significantly below the national average state income tax burden.

What is the median household income in South Dakota?

The median household income in South Dakota is $61,898. South Dakota's median income is near the national average. The Black Hills region, Sioux Falls financial sector, and agriculture anchor the economy. The lack of income tax is a significant financial advantage for residents.

Is this state income tax calculator free to use for South Dakota?

Yes, this state income tax calculator is 100% free with no signup required. It includes South Dakota-specific tax rates and calculates your estimated state and federal tax liability instantly.