Colorado Salary Calculator 2026 — Free Take-Home Pay Estimator

Colorado Income Tax Summary

Colorado has a flat income tax rate of 4.40% for 2024, applied to all taxable income. The state has one of the simplest income tax systems in the country with a single rate and no personal exemption. Colorado offers a standard deduction and taxes most forms of income. The state's tax burden is moderate relative to the national average. [Source: Colorado Department of Revenue, 2026]

Colorado Income Tax Rules

• Flat tax rate of 4.40% on federal taxable income with modifications [Source: Colorado Department of Revenue, 2026]
• Standard deduction: federal standard deduction is used as starting point [Source: Colorado Department of Revenue, 2026]
• No personal exemption
• Wages, salaries, tips, interest, dividends, and capital gains are all taxable
• Social Security benefits are not taxed at the state level
• Retirement income from pensions and IRA distributions is taxable
• State income tax is not deductible on federal returns

Colorado Payroll & Withholding Rules

Employers must withhold Colorado income tax at the flat 4.40% rate. Withholding is required on all Colorado-source wages. Unemployment insurance tax is employer-paid only with no employee portion. There is no state disability insurance program. There are no mandatory local income taxes. [Source: Colorado Department of Revenue, 2026]

Local Taxes in Colorado

Colorado does not levy county or city income taxes. However, the state has a unique alternative minimum tax structure for certain corporations. Local governments rely on property tax, sales tax, and various excise taxes. Denver has an occupational privilege tax (OPT) that applies to employers and employees but this is a flat fee, not an income tax.

Cost of Living Context

Colorado's cost of living is about 7% above the national average. Housing costs have risen significantly, especially in the Denver-Boulder metro area and mountain resort communities. Transportation costs are moderate, and utilities are near average. Colorado's outdoor lifestyle and growing economy continue to attract new residents despite rising costs. [Source: Colorado Department of Revenue, 2026]

Real-World Example: Colorado

For a single filer earning $55,000/year in Denver, Colorado:

• Federal taxable income: ~$40,400 (after $14,600 standard deduction)
• Colorado state tax: ~$1,780 (using 2026 brackets)
• Estimated take-home: ~$4,051/month (pre-FICA, pre-insurance)

Note: Actual results vary based on deductions, credits, and local taxes.

Colorado FAQs

Q: What is the Colorado income tax rate? [Source: Colorado Department of Revenue, 2026] A: Colorado has a flat income tax rate of 4.40% for 2024. [Source: Colorado Department of Revenue, 2026]

Q: Does Colorado tax Social Security benefits? A: No, Colorado does not tax Social Security retirement benefits.

Q: Does Colorado tax retirement income? A: Yes, pension and IRA distributions are taxable at the flat 4.40% rate.

Q: Does Colorado have a standard deduction? [Source: Colorado Department of Revenue, 2026] A: Colorado uses federal adjusted gross income as its starting point and allows the federal standard deduction. [Source: Colorado Department of Revenue, 2026]

Q: Does Colorado have a state sales tax? A: Yes, Colorado has a state sales tax rate of 2.9%, with significant additional local rates. [Source: Colorado Department of Revenue, 2026]

Q: Are capital gains taxed in Colorado? A: Yes, capital gains are taxed at the flat 4.40% rate as ordinary income.

Q: Does Denver have a city income tax? A: No, but Denver has an occupational privilege tax that is a flat fee, not an income tax.