Side-by-side comparison of income tax, property tax, sales tax, capital gains, and retirement treatment between New Hampshire and South Dakota for tax year 2026. Use the calculator below to estimate how much you would save (or pay) after relocating.
| Tax | New Hampshire | South Dakota |
|---|---|---|
| State income tax (effective) | None | None |
| Long-term capital gains | None (federal only) | None (federal only) |
| Property tax (effective) | 1.93% | 1.24% |
| Combined sales tax | 0.00% | 6.44% |
| Retirement income | no-tax | no-tax |
| Income system | none | none |
New Hampshire total tax
$15,370
South Dakota total tax
$15,370
New Hampshire state tax
$0
South Dakota state tax
$0
Difference
+$0
South Dakota 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, New Hampshire and South Dakota produce roughly the same tax burden.
Once you know what you owe, file with software built for your situation. We compare the top U.S. options below.
Best overall guided experience
Best for in-person backup
Best value for self-employed
Best truly-free federal e-file
We may earn a commission from links above at no cost to you. See our Affiliate Disclosure.
One short email a month. No spam. Unsubscribe anytime.
By subscribing you agree to our Privacy Policy. We never sell your data.