How South Dakota capital gains tax works
South Dakota has no general state income tax, so most capital gains are not taxed at the state level.
South Dakota has no state income tax, so capital gains are not taxed at the state level.
You will still owe federal capital gains tax — this calculator estimates the state portion only.
Federal tax still applies
The IRS taxes long-term gains (assets held over a year) at 0%, 15% or 20% depending on income, and short-term gains as ordinary income.
So even in a no-income-tax state, selling an investment at a profit usually creates a federal tax bill.
Frequently asked questions
Does South Dakota tax capital gains?
South Dakota has no general state income tax, so most capital gains are not taxed by the state. South Dakota has no state income tax, so capital gains are not taxed at the state level.
What is the capital gains tax rate in South Dakota?
There is no state capital gains rate in South Dakota for ordinary investors. Federal rates of 0%, 15% or 20% still apply.
Are long-term gains taxed lower in South Dakota?
South Dakota has no state income tax, so capital gains are not taxed at the state level.
Does this include federal capital gains tax?
No. This estimates the SD state tax only. Federal capital gains tax is separate and applies on top.