Side-by-side comparison of income tax, property tax, sales tax, capital gains, and retirement treatment between South Dakota and Alaska for tax year 2026. Use the calculator below to estimate how much you would save (or pay) after relocating.
| Tax | South Dakota | Alaska |
|---|---|---|
| State income tax (effective) | None | None |
| Long-term capital gains | None (federal only) | None (federal only) |
| Property tax (effective) | 1.24% | 1.19% |
| Combined sales tax | 6.44% | 1.80% |
| Retirement income | no-tax | no-tax |
| Income system | none | none |
South Dakota total tax
$15,370
Alaska total tax
$15,370
South Dakota state tax
$0
Alaska state tax
$0
Difference
+$0
Alaska saves you money
As % of income
0.00%
Federal tax is identical in both columns and excluded from the difference. Numbers use 2026 IRS brackets, state effective rates, and the 3.8% NIIT where applicable.
On these inputs, South Dakota and Alaska produce roughly the same tax burden.
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