Side-by-side comparison of income tax, property tax, sales tax, capital gains, and retirement treatment between Connecticut and Montana for tax year 2026. Use the calculator below to estimate how much you would save (or pay) after relocating.
| Tax | Connecticut | Montana |
|---|---|---|
| State income tax (effective) | 6.00% | 5.90% |
| Long-term capital gains | 6.90% | 4.10% |
| Property tax (effective) | 2.14% | 0.74% |
| Combined sales tax | 6.35% | 0.00% |
| Retirement income | partial-exempt | partial-exempt |
| Income system | progressive | progressive |
Connecticut total tax
$21,349
Montana total tax
$21,115
Connecticut state tax
$5,979
Montana state tax
$5,745
Difference
−$234
Montana saves you money
As % of income
0.19%
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.
Moving from Connecticut to Montana could save about $234 per year on this profile — roughly 0.19% of gross income.
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