Side-by-side comparison of income tax, property tax, sales tax, capital gains, and retirement treatment between Colorado and Iowa for tax year 2026. Use the calculator below to estimate how much you would save (or pay) after relocating.
| Tax | Colorado | Iowa |
|---|---|---|
| State income tax (effective) | 4.40% | 4.38% |
| Long-term capital gains | 4.40% | 4.38% |
| Property tax (effective) | 0.55% | 1.57% |
| Combined sales tax | 7.80% | 6.94% |
| Retirement income | partial-exempt | ss-exempt |
| Income system | flat | flat |
Colorado total tax
$19,722
Iowa total tax
$19,702
Colorado state tax
$4,352
Iowa state tax
$4,332
Difference
−$20
Iowa saves you money
As % of income
0.02%
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 Colorado to Iowa could save about $20 per year on this profile — roughly 0.02% of gross income.
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.