Side-by-side comparison of income tax, property tax, sales tax, capital gains, and retirement treatment between Illinois and Massachusetts for tax year 2026. Use the calculator below to estimate how much you would save (or pay) after relocating.
| Tax | Illinois | Massachusetts |
|---|---|---|
| State income tax (effective) | 4.95% | 5.00% |
| Long-term capital gains | 4.95% | 5.00% |
| Property tax (effective) | 2.27% | 1.14% |
| Combined sales tax | 8.88% | 6.25% |
| Retirement income | fully-taxable | ss-exempt |
| Income system | flat | flat |
Illinois total tax
$20,266
Massachusetts total tax
$20,315
Illinois state tax
$4,896
Massachusetts state tax
$4,945
Difference
+$49
Massachusetts costs more
As % of income
0.04%
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 Illinois to Massachusetts would cost an extra $49 per year on this profile.
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