Does New Hampshire have lower taxes than South Dakota?

On wages alone, South Dakota is lower (0.00% vs 0.00%). Use the calculator above to compare your specific situation.

Which state has the lowest overall tax burden?

Among the 50 states, Alaska, Wyoming, South Dakota, Florida, Tennessee, Texas, Nevada, Washington, and New Hampshire consistently rank lowest because they have no broad personal income tax. Property and sales taxes can still be material — Texas, for example, has high property tax.

Does South Dakota tax retirement income differently than New Hampshire?

Yes — retirement treatment varies. Some states fully exempt Social Security, pensions, or both. See each state's guide for current rules.

Does moving partway through the year split my taxes?

Yes. You will file part-year resident returns in both states. Most states tax income earned while a resident plus state-sourced income while a non-resident.

How accurate is this comparison?

It uses 2026 IRS federal brackets and each state's average effective rate. Local income taxes, special surtaxes, and personal credits can shift the result by several thousand dollars.

Are property and sales tax included in the calculator?

The calculator focuses on income and capital-gains tax. Use the property tax calculator and the sales-tax rows above for those components.

South Dakota vs New Hampshire Taxes (2026)

Side-by-side comparison of income tax, property tax, sales tax, capital gains, and retirement treatment between South Dakota and New Hampshire for tax year 2026. Use the calculator below to estimate how much you would save (or pay) after relocating.

Tax	South Dakota	New Hampshire
State income tax (effective)	None	None
Long-term capital gains	None (federal only)	None (federal only)
Property tax (effective)	1.24%	1.93%
Combined sales tax	6.44%	0.00%
Retirement income	no-tax	no-tax
Income system	none	none

Tax savings calculator

Filing status

Annual income

Pre-tax retirement

Long-term capital gains

Estimated 2026 burden

South Dakota total tax

$15,370

New Hampshire total tax

$15,370

South Dakota state tax

New Hampshire state tax

Difference

+$0

New Hampshire 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.

Relocation analysis

On these inputs, South Dakota and New Hampshire produce roughly the same tax burden.

Property tax difference on a $400k home: $2,760/yr.
Sales tax difference on $50k of taxable spending: $3,220/yr.
Capital gains difference per $10k gain: $0.

Key differences

South Dakota: No personal or corporate income tax; popular trust jurisdiction.
New Hampshire: No sales tax, no broad income tax; 7.5% business profits tax.
Income system: South Dakota is none, New Hampshire is none.
Retirement: South Dakota — no tax; New Hampshire — no tax.

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Comparison FAQs

It depends on income mix. New Hampshire has an effective income rate of 0% vs South Dakota's 0%. Property tax (1.24% vs 1.93%) and sales tax can swing the answer.

Related resources

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