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Colorado Income Tax Calculator

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Overview of Colorado Taxes

Colorado has low property taxes and a flat income tax rate of 4.63%. Colorado’s sales tax is the lowest in the country out of states with a sales tax, but county and city taxes mean Coloradoans can end up paying much more.

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  • Our Tax Expert

    Jennifer Mansfield, CPA Tax

    Jennifer Mansfield, CPA, JD/LLM-Tax, is a Certified Public Accountant with more than 30 years of experience providing tax advice. SmartAsset’s tax expert has a degree in Accounting and Business/Management from the University of Wyoming, as well as both a Masters in Tax Laws and a Juris Doctorate from Georgetown University Law Center. Jennifer has mostly worked in public accounting firms, including Ernst & Young and Deloitte. She is passionate about helping provide people and businesses with valuable accounting and tax advice to allow them to prosper financially. Jennifer lives in Arizona and was recently named to the Greater Tucson Leadership Program.

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Colorado state tax quick facts
  • Income tax: 4.63% flat rate
  • Sales tax: 2.9% - 10.4%
  • Property tax: 0.60% average effective rate
  • Gas tax: 22.0 cents per gallon of regular gasoline, 20.5 cents per gallon of diesel

The Centennial State has a flat income tax rate of 4.63%, and one of the lowest statewide sales taxes in the country, at just 2.9%. However, because of numerous additional county and city sales taxes, actual combined rates can be as high as 10.4%. When considering these local taxes, the average Colorado sales tax rate is almost 7.5%, 15th highest in the country.

On the other hand, homeowners in Colorado get a break: the state’s property taxes are among the nation’s lowest, with an average effective rate of just 0.60%. Below, we’ll take a look at each of these taxes individually, as well as one that you may not even be aware of.

Colorado Income Tax

The state income tax in Colorado is assessed at a flat rate of 4.63%, which means that everyone in Colorado pays that same rate, regardless of income level. There are seven other states with a flat income tax. Among these state’s Colorado’s rate ranks 4th, and only slightly above average.

When compared to states with a progressive income tax, Colorado’s rate is also close to the middle of the pack. As compared with other state’s top rates, 4.63% ranks as the 23rd lowest rate; however, when compared to other state’s bottom rates, it ranks as the 10th highest.

That 4.63% applies to Colorado taxable income, which is equal to federal taxable income (with one exception, described below). Therefore, taxpayers who do not itemize deductions on their federal income tax return do not have the option to do so on their state return, and taxpayers who do itemize deduction federally, must claim the same deductions on their state return. If you are looking to get help filing your return, you can look into tax preparation software like TurboTax and H&R Block.

The one exception to this arrangement is the deduction for state income taxes. Taxpayers who itemize deductions federally, and claim this deduction, must add it back to their Colorado taxable income.

Colorado Tax Credits

After calculating their initial tax bill, there are some additional tax credits Coloradans can claim. The most significant of these are the Child Care Tax Credit (which is equal to a percentage of the federal credit by the same name), the Earned Income Credit (equal to 10% of the federal credit) and the Alternative Fuel Credit, which is available to taxpayers who purchase an alternative fuel vehicle such as a battery-powered electric car.

Colorado Sales Tax

The statewide sales tax in Colorado is just 2.9%, lowest among states with a sales tax. However, as anyone who has spent time in Denver, Boulder or Colorado Springs can tell you, actual sales tax rates are much higher in most cities. This is because many cities and counties have their own sales taxes in addition to the state sales tax. The table below shows sales tax rates for all counties and the largest cities in Colorado.

Sales Tax Rates (Updated October 2017)

CountyState RateCounty RateTotal Sales Tax
Adams2.90%0.75%4.75%
Alamosa2.90%3.00%4.90%
Arapahoe2.90%0.25%3.25%
Archuleta2.90%4.00%6.90%
Baca2.90%0.00%2.90%
Bent2.90%1.00%3.90%
Boulder2.90%0.99%4.985%
Broomfield2.90%4.15%4.00%
Chaffee2.90%2.50%4.90%
Cheyenne2.90%0.00%2.90%
Clear Creek2.90%1.00%3.90%
Conejos2.90%0.00%2.90%
Costilla2.90%1.00%3.90%
Crowley2.90%2.00%4.90%
Custer2.90%2.00%4.90%
Delta2.90%2.00%4.90%
Denver2.90%3.65%4.00%
Dolores2.90%0.00%2.90%
Douglas2.90%1.00%4.00%
Eagle2.90%1.50%4.40%
El Paso2.90%1.23%5.13%
Elbert2.90%1.00%3.90%
Fremont2.90%2.50%5.40%
Garfield2.90%1.00%3.90%
Gilpin2.90%0.00%2.90%
Grand2.90%1.30%3.90%
Gunnison2.90%1.00%4.50%
Hinsdale2.90%5.00%7.90%
Huerfano2.90%2.00%4.90%
Jackson2.90%4.00%6.90%
Jefferson2.90%1.60%4.50%
Kiowa2.90%0.00%2.90%
Kit Carson2.90%0.00%2.90%
La Plata2.90%2.00%4.90%
Lake2.90%4.00%6.90%
Larimer2.90%0.65%3.55%
Las Animas2.90%0.00%2.90%
Lincoln2.90%2.00%4.90%
Logan2.90%1.00%3.90%
Mesa2.90%2.00%4.90%
Mineral2.90%2.60%5.50%
Moffat2.90%2.00%4.90%
Montezuma2.90%0.00%2.90%
Montrose2.90%1.75%4.65%
Morgan2.90%0.00%2.90%
Otero2.90%1.00%3.90%
Ouray2.90%2.00%4.90%
Park2.90%1.00%3.90%
Phillips2.90%1.00%3.90%
Pitkin2.90%3.60%6.50%
Prowers2.90%1.00%3.90%
Pueblo2.90%1.00%3.90%
Rio Blanco2.90%3.60%6.50%
Rio Grande2.90%2.60%5.50%
Routt2.90%1.00%3.90%
Saguache2.90%1.00%3.90%
San Juan2.90%5.00%7.90%
San Miguel2.90%1.00%3.90%
Sedgwick2.90%2.00%4.90%
Summit2.90%2.75%5.775%
Teller2.90%1.00%3.90%
Washington2.90%1.50%4.40%
Weld2.90%0.00%2.90%
Yuma2.90%0.00%2.90%
CityState RateCounty + City RateTotal Sales Tax
Alamosa2.90%5.000%7.900%
Arvada2.90%5.060%7.960%
Aspen2.90%6.000%8.900%
Aurora2.90%5.100%8.000%*Actual tax is 8.00%, 8.50% or 8.75% depending on location
Avon2.90%5.500%8.400%
Basalt2.90%5.600%8.500%
Berthoud2.90%3.650%6.550%
Boulder2.90%5.945%8.845%
Breckenridge2.90%5.975%8.875%
Brighton2.90%5.600%8.500%
Broomfield2.90%5.250%8.150%
Brush2.90%4.000%6.900%
Buena Vista2.90%5.000%7.900%
Burlington2.90%2.000%4.900%
Canon City2.90%5.500%8.400%
Carbondale2.90%5.500%8.400%
Castle Pines2.90%3.850%6.750%
Castle Rock2.90%5.000%7.900%
Centennial2.90%3.850%6.750%
Cherry Hills Village2.90%4.850%7.750%
Colorado Springs2.90%5.350%8.250%
Commerce City2.90%6.250%9.150%
Cortez2.90%4.050%6.950%
Craig2.90%4.250%7.150%
Dacono2.90%3.000%5.900%
Delta2.90%5.000%7.900%
Denver2.90%4.750%7.650%
Durango2.90%5.000%7.900%
Eagle2.90%6.000%8.900%
Eaton2.90%3.000%5.900%
Edgewater2.90%5.100%8.000%
Englewood2.90%4.850%7.750%
Erie2.90%3.500%6.400%*Actual tax is 6.40%, 7.40% or 8.485% depending on location
Estes Park2.90%5.650%8.550%
Evans2.90%3.500%6.400%
Federal Heights2.90%5.850%8.750%
Firestone2.90%3.000%5.900%
Florence2.90%5.000%7.900%
Fort Collins2.90%4.500%7.400%
Fort Lupton2.90%4.000%6.900%
Fort Morgan2.90%3.000%5.900%
Fountain2.90%4.980%7.880%
Frederick2.90%2.500%5.400%
Frisco2.90%5.475%8.375%
Fruita2.90%5.000%7.900%
Glendale2.90%5.100%8.000%
Glenwood Springs2.90%5.700%8.600%
Golden2.90%4.600%7.500%
Grand Junction2.90%4.750%7.650%
Greeley2.90%4.110%7.010%
Greenwood Village2.90%4.350%7.250%
Gunnison2.90%6.000%8.900%
Gypsum2.90%4.500%7.400%
Johnstown2.90%3.650%6.550%
La Junta2.90%4.000%6.900%
Lafayette2.90%5.585%8.485%
Lakewood2.90%4.600%7.500%
Lamar2.90%4.000%6.900%
Leadville2.90%4.000%6.900%
Littleton2.90%4.350%7.250%
Lochbuie2.90%4.400%7.300%
Lone Tree2.90%3.913%6.813%
Longmont2.90%5.360%8.260%
Louisville2.90%5.585%8.485%
Loveland2.90%3.650%6.550%
Manitou Springs2.90%6.130%9.030%
Mead2.90%2.000%4.900%
Meeker2.90%3.600%6.500%
Milliken2.90%2.500%5.400%
Monte Vista2.90%4.600%7.500%
Montrose2.90%5.050%7.950%
Monument2.90%4.230%7.130%
New Castle2.90%4.500%7.400%
Northglenn2.90%5.850%8.750%
Orchard City2.90%2.000%4.900%
Palisade2.90%4.000%6.900%
Parker2.90%5.100%8.000%
Platteville2.90%3.000%5.900%
Pueblo2.90%4.500%7.400%
Rifle2.90%5.250%8.150%
Rocky Ford2.90%4.000%6.900%
Salida2.90%5.500%8.400%
Severance2.90%3.000%5.900%
Sheridan2.90%4.850%7.750%
Silt2.90%4.000%6.900%
Silverthorne2.90%5.475%8.375%
Snowmass Village2.90%7.500%10.400%
Steamboat Springs2.90%5.500%8.400%
Sterling2.90%4.100%7.000%
Superior2.90%5.545%8.445%
Thornton2.90%5.600%8.500%
Trinidad2.90%4.000%6.900%
Vail2.90%5.500%8.400%
Walsenburg2.90%5.000%7.900%
Wellington2.90%3.650%6.550%
Westminster2.90%5.450%8.350%*Actual tax is 8.35% or 8.60% depending on location
Wheat Ridge2.90%5.100%8.000%
Windsor2.90%4.600%7.500%
Woodland Park2.90%5.090%7.990%
Yuma2.90%3.000%5.900%

Property and tangible goods (including electronically delivered goods such as music downloads) are subject to sales tax in Colorado, but most services are not. While prepared food is taxable, most food that is purchased for consumption at home (i.e. groceries) is nontaxable. Prescription drugs are also tax-exempt in Colorado.

Colorado Property Tax

If you’re thinking about finally investing in that Rocky Mountain ski lodge, there’s some good news: Colorado has some of the lowest property taxes in the country. The state’s average effective property tax rate (property taxes paid as a percentage of home value) of 0.60% is the seventh lowest in the U.S. In some areas, effective property taxes are even lower. In Gilpin County, for example, where homeowners there pay about $760 annually in property taxes, the rate is just 0.30%. And before purchasing your new chalet, you’ll want to take a look at our Colorado mortgage guide to get a full understanding of the mortgage market in the Centennial State.

Calculate Your Property Taxes: Colorado Property Tax Calculator

Colorado Marijuana Tax

As of 2014, marijuana is both legal and taxable in Colorado. In fact, the marijuana tax rate is 30% across the state. That tax rate includes a 15% excise tax on marijuana and a 15% retail marijuana sales tax. The state sales tax rate also applies so the total tax you pay is 32.9% plus any additional local sales taxes.

Colorado Estate Tax

There is no estate or inheritance tax in Colorado.

Colorado Capital Gains Tax

Most capital gains in Colorado are taxed at the standard income tax rate of 4.63%. However, certain long term gains are exempt. Gains from property acquired after May 9, 1994, which was held for at least five years before being sold, may be exempt up to a limit of $100,000.

Colorado Gas Tax

The gas tax in Colorado is 22.0 cents per gallon of regular gas, 12th lowest in the country. Diesel fuel is taxed at a rate of 20.5 cents per gallon.

Photo credit: flickr
  • The highest point in Colorado is the peak of Mount Elbert, at 14,433 feet. The lowest point is along the Arkansas River, at 3,350 feet.
  • Colorado’s nickname is the Centennial State because it achieved statehood less than a month after the centennial of the U.S. Declaration of Independence.

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Places with the Lowest Tax Burden

Are you curious how your tax burden stacks up against others in your state? SmartAsset’s interactive map highlights the counties with the lowest tax burden. Scroll over any county in the state to learn about taxes in that specific area.

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Methodology

Where you live can have a big impact on both which types of taxes you have to pay each year and how much money you spend on them. SmartAsset calculated the amount of money a specific person would pay in income, sales, property and fuel taxes in each county in the country and ranked the lowest to highest tax burden.

To better compare income tax burdens across counties, we used the national median household income. We then applied relevant deductions and exemptions before calculating federal, state and local income taxes.

In order to determine sales tax burden we estimated that 35% of take-home (after-tax) pay is spent on taxable goods. We multiplied the average sales tax rate for a county by the household income less income tax. This product is then multiplied by 35% to estimate the sales tax paid.

For property taxes, we compared the median property taxes paid in each county.

For fuel taxes, we first distributed statewide vehicle miles traveled down to the county level using the number of vehicles in each county. We then calculated the total number of licensed drivers within each county. The countywide miles were then distributed amongst the licensed drivers in the county, which gave us the miles driven per licensed driver. Using the nationwide average fuel economy, we calculated the average gallons of gas used per driver in each county and multiplied that by the fuel tax.

We then added the dollar amount for income, sales, property and fuel taxes to rank the counties to calculate a total tax burden.

Sources: US Census Bureau 2016 American Community Survey, Government Sources, Avalara, American Petroleum Institute, GasBuddy, UMTRI, Federal Highway Administration, SmartAsset