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South Dakota Tax Guide

The definitive 2025/2026 tax manual for residents of Sioux Falls and beyond.

South Dakota 2025 Tax Profile

Tax StructureNo Income Tax
Filing DeadlineApril 15
Check StatusOnline
Major Hubs1 Counties

Local Coverage Area

📍 Sioux Falls Tax Rates

2025 Tax Updates

This guide is synced with the latest data from the IRS and the Department of Revenue.

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Frequently Asked Questions about South Dakota Taxes

What is the 2025 filing deadline for South Dakota?
For the 2025 tax year, returns are generally due by April 15, 2026. This aligns with the federal IRS deadline.
Is there "no tax on tips" in South Dakota?
Currently, the "no tax on tips" proposal has not become state law in South Dakota for the 2025 tax season. Tips remain taxable income.
Is South Dakota tax progressive or flat?
South Dakota does not have a state income tax.
JS
Verified Tax Expert

James Sterling, CPA, MST

Senior Tax Strategist with over 15 years in federal tax planning and IRS compliance. James holds a Master of Science in Taxation and has helped thousands of taxpayers optimize their 2025 tax refund estimator results.
Member of AICPAIRS Enrolled AgentTax Law Reviewer 2025