Side-by-side comparison of income tax, property tax, sales tax, capital gains, and retirement treatment between Illinois and New Mexico for tax year 2026. Use the calculator below to estimate how much you would save (or pay) after relocating.
| Tax | Illinois | New Mexico |
|---|---|---|
| State income tax (effective) | 4.95% | 4.90% |
| Long-term capital gains | 4.95% | 4.90% |
| Property tax (effective) | 2.27% | 0.67% |
| Combined sales tax | 8.88% | 7.63% |
| Retirement income | fully-taxable | partial-exempt |
| Income system | flat | progressive |
Illinois total tax
$20,266
New Mexico total tax
$20,216
Illinois state tax
$4,896
New Mexico state tax
$4,846
Difference
−$49
New Mexico saves you money
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 New Mexico could save about $49 per year on this profile — roughly 0.04% of gross income.
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