Colorado State Tax
$2,592
CO Effective Rate
Effective Rate
3.46%
Taxable Income
$58,900
After-Tax Income
$72,408
Summary
On $75,000 gross income, you owe an estimated $2,592 in Colorado state taxes for 2026.
Colorado uses a flat 4.40% income tax rate for 2026. All taxable income is taxed at the same rate regardless of how much you earn.
The rate was reduced from 4.55% to 4.40% starting in 2023 after voters approved Proposition 121 in November 2022.
Colorado conforms to the federal standard deduction — using $16,100 for Single in 2026.
Colorado starts from federal taxable income, so your state tax is simply 4.40% of your taxable income of $58,900.
Colorado state income tax only — this estimate does not account for additional credits, local taxes, or special situations. Not tax advice.