South Dakota Estimated Tax Facts
State Income Tax
None
Estimated Tax Form
N/A
File When You Owe
$1,000+ in state tax
Self-Employment Tax Rate
15.3% (federal)
South Dakota has no state income tax — you only owe federal self-employment and income tax. Get your exact quarterly estimated tax payment, effective rate, and recommended set-aside — free, in seconds.
State-specific cheat sheet, mileage tracker, payout worksheet, and quarterly deadline guide.
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