Colorado's Income Tax Rate

Colorado has a flat income tax rate of 4.63% on federal taxable income. This rate applies to all residents and has been in place since 2000. Unlike many states that use brackets—where you pay different percentages depending on how much you earn—Colorado charges the same percentage to everyone, whether you make $30,000 or $300,000 a year.

The 4.63% rate is lower than the national average state income tax. You pay it on wages, self-employment income, investment gains, and other sources of taxable income reported on your federal return. Colorado does not tax Social Security benefits, military pensions, or certain retirement income, which can make a real difference for retirees.

Key Takeaways

  • Colorado's state income tax is a flat 4.63% applied to all residents regardless of income level.
  • Sales tax in Colorado ranges from 2.9% to 8.3% depending on your county and local district, with Denver at 8.3%.
  • Property tax rates vary by county and school district but average around 0.51% of home value statewide.
  • Colorado does not tax Social Security benefits or military pensions, which can lower your overall tax burden in retirement.
  • Your actual tax bill depends on where you live in the state, since local sales and property taxes add significantly to the state rates.

Sales Tax Rates by Location

Colorado's state sales tax is 2.9%, but your total sales tax depends on where you live. Counties and local districts add their own taxes on top of the state rate, so the combined rate ranges from 2.9% to 8.3%. Denver has the highest combined rate at 8.3%, while rural counties with no local district taxes sit at the state minimum of 2.9%.

The variation matters when you buy groceries, gas, or large items. A $100 purchase costs $102.90 in a low-tax area but $108.30 in Denver. Some counties tax groceries at the full rate, while others explore a lower rate or no tax at all. Check your specific county's rate before budgeting for major purchases, especially if you live near a county border.

Property Tax Rates Across Colorado

Property tax in Colorado is assessed as a percentage of your home's actual value, not a flat fee. The statewide average is around 0.51% of home value per year, but rates vary by county and school district. A home worth $400,000 might cost $2,040 per year in one county and $2,800 in another, depending on local rates and school funding needs.

Colorado allows homeowners a property tax exemption on the first $7,500 of home value, which reduces your taxable amount. Senior citizens and disabled veterans may may have access to for additional exemptions. Your county assessor's office publishes the exact rate for your area, and you can find it online or by calling them directly.

How Colorado Taxes Are Calculated

Income tax is straightforward: you report your federal taxable income to Colorado, and the state takes 4.63%. You do not file a separate Colorado return if you have no Colorado income—only residents and people who earned money in the state owe Colorado income tax.

Sales tax is added at the register when you buy taxable goods. Groceries, prescription medications, and some medical equipment are often exempt or taxed at lower rates. Property tax is billed annually by your county assessor based on the assessed value of your home, usually due in April and September.

Tax Brackets and Special Situations

Because Colorado uses a flat tax, there are no brackets to navigate. You do not pay 4.63% on some income and a higher rate on the rest—it is 4.63% on all taxable income. This simplicity is one reason Colorado's tax code is easier to understand than states with multiple brackets.

However, certain income is excluded from Colorado tax. Retirement distributions from may have access to plans, Social Security benefits, and military pensions are not taxed by the state. If you are retired or receiving a pension, your Colorado tax bill may be much lower than someone earning the same amount in wages.

Comparing Colorado's Tax Burden to Other States

Colorado's 4.63% income tax is below the national average. States like California (up to 13.3%), New York (up to 10.9%), and Illinois (4.95%) charge more. However, Colorado's sales tax can be higher than some states depending on where you live, and property taxes vary widely by location.

Your total tax burden depends on how much you earn, where you live within Colorado, and what type of income you have. A retiree living on Social Security and a pension may pay almost no state income tax, while a high earner in Denver pays income tax plus the state's highest combined sales tax rate.

Where to Find Your Specific Tax Rate

Your county assessor's office publishes property tax rates and can tell you the exact rate for your address. The Colorado Department of Revenue website lists sales tax rates by county and district. For income tax, use the 4.63% flat rate unless you have special income that is excluded from taxation.

If you are moving to Colorado or buying property, contact your county assessor or a local tax professional to understand the full picture for your situation. Tax rates can change, and local rates are updated regularly, so checking directly with the county is more reliable than relying on older information.

Frequently Asked Questions

Does Colorado tax retirement income?

Colorado does not tax Social Security benefits, military pensions, or distributions from may have access to retirement plans like 401(k)s and IRAs. However, other types of retirement income, such as rental income or business income, are taxed at the standard 4.63% rate. Check with a tax professional if you are unsure whether your specific income is taxable.

What is the sales tax on groceries in Colorado?

Most groceries are not taxed in Colorado, but prepared foods and certain items like energy drinks are taxed at the full local rate. Some counties have different rules, so the safest approach is to assume groceries are tax-free but prepared foods are taxed. Your receipt will show what was taxed.

Can I deduct Colorado state income tax on my federal return?

Yes, you can deduct Colorado state income tax on your federal return if you itemize deductions. However, the federal deduction for state and local taxes (SALT) is capped at $10,000 per year, so high-income earners may not be able to deduct the full amount. Consult a tax professional about your specific situation.

Do I pay Colorado income tax if I work remotely for an out-of-state company?

Yes, if you are a Colorado resident, you owe Colorado income tax on all income earned, regardless of where your employer is located. If you work remotely for an out-of-state company but live in Colorado, you still report that income to Colorado and pay the 4.63% state tax.

How often do Colorado tax rates change?

The state income tax rate of 4.63% has been fixed since 2000 and does not change year to year. Sales tax rates can change when counties or districts adjust their local rates, usually with advance notice. Property tax rates are set annually based on school district budgets and local needs, so they can fluctuate.