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CO

Colorado Income Tax Calculator 2026 — Federal + State Combined

Flat 4.4% rate. Outdoor lifestyle. Denver & Boulder tech corridor.

Flat 4.4% state income tax

Note: Denver: city occupational privilege tax

United States Tax Calculator

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$0$250k$500k

Federal + Colorado Combined Tax — 2026

Includes federal income tax, Colorado state tax, and FICA (Social Security 6.2% + Medicare 1.45%).

Gross Income Federal Tax CO State Tax FICA Take-Home Eff. Rate
$50,000 $3,820 $1,558 $3,825 $40,797 18.4%
$75,000 $7,670 $2,658 $5,738 $58,934 21.4%
$100,000 $13,170 $3,758 $7,650 $75,422 24.6%
$150,000 $24,734 $5,958 $11,475 $107,833 28.1%

Colorado State Income Tax Brackets (2026)

Colorado uses a flat tax rate applied to all taxable income after a $14,600 standard deduction.

4.4%
Flat rate on all taxable income
Standard deduction: $14,600

Other Taxes in Colorado (2026)

State Sales Tax
2.9%
Local taxes may apply
Avg. Property Tax
0.49%
% of home assessed value
Cost of Living
105
Index (100 = US average)

Frequently Asked Questions

What is the Colorado income tax rate for 2026?

Colorado has a flat 4.4% state income tax in 2026, applied after a $14,600 standard deduction. At $75,000 gross income, state tax is approximately $2,658.

What is total (federal + state) take-home on $100,000 in Colorado?

On $100,000 in Colorado (2026): Federal income tax ≈ $13,170, Colorado state tax ≈ $3,758, FICA (SS + Medicare) ≈ $7,650. Total taxes: $24,578. Take-home: $75,422 (24.6% combined effective rate).

Does Colorado have sales tax?

Colorado's state sales tax rate is 2.9%. Local jurisdictions (cities and counties) may add additional taxes, so the combined rate you pay may be higher.

How does Colorado compare globally?

See how your take-home pay in Colorado compares to other countries like the UK, Germany, Canada, Singapore, and Australia.

Compare US vs Other Countries →
18 source documents from IRS, OECD & governments
Deterministic math — never AI-generated numbers
Updated for 2026 tax year