How does Colorado’s tax code compare? Colorado has a flat 4.40 percent individual income tax rate. There are also jurisdictions that collect local income taxes. Colorado has a 4.40 percent corporate income tax rate. Colorado also has a 2.90 percent state sales tax rate and an average combined state and local sales tax rate of 7.81 percent. Colorado has a 0.45 percent effective property tax rate on owner-occupied housing value.
Colorado does not have an estate tax or inheritance tax. Colorado has a 29 cents per gallon gas tax rate and a $1.94 cigarette excise tax rate. The State of Colorado collects $6,387 in state and local tax collections per capita. Colorado has $11,972 in state and local debt per capita and has a 71 percent funded ratio of public pension plans. Colorado’s tax system ranks 32nd overall on the 2025 State Tax Competitiveness Index.
Each state’s tax code is a multifaceted system with many moving parts, and Colorado is no exception. The first step towards understanding Colorado’s tax code is knowing the basics. How does Colorado collect tax revenue? Click the tabs below to learn more! You can also explore our state tax maps, which are compiled from our annual publication, Facts & Figures 2024: How Does Your State Compare?
Subscribe to get insights from our trusted experts delivered straight to your inbox.
Subscribe
Get facts about taxes in your state and around the U.S.
The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.
115 min read
Facts & Figures serves as a one-stop state tax data resource that compares all 50 states on over 40 measures of tax rates, collections, burdens, and more.
2 min read
Tax burdens rose across the country as pandemic-era economic changes caused taxable income, activities, and property values to rise faster than net national product. Tax burdens in 2020, 2021, and 2022 are all higher than in any other year since 1978.
24 min read
Individual income taxes are a major source of state government revenue, accounting for more than a third of state tax collections. How do income taxes compare in your state?
8 min read
Graduated corporate rates are inequitable—that is, the size of a corporation bears no necessary relation to the income levels of the owners.
7 min read
Retail sales taxes are an essential part of most states’ revenue toolkits, responsible for 32 percent of state tax collections and 13 percent of local tax collections (24 percent of combined collections).
9 min read
Illinois voters rejected a high graduated rate income tax (“Fair Tax”) while Arizonans embraced a large income tax rate increase for high earners, among the many attention-grabbing results from Tuesday’s elections.
7 min read
See the results of the most notable state and local tax ballot measures during Election 2020 with our curated resource page.
11 min read
President Joe Biden’s tax plan would yield combined top marginal state and local rates in excess of 60 percent in three states: California, Hawaii, and New Jersey (also New York City).
4 min read
Here are the state tax ballot measures to watch on Election Day 2020. Explore the most notable 2020 state tax ballot measures in 15 states.
4 min read
This Election Day, Colorado voters will weigh in on Proposition 116, which would permanently reduce the state’s flat income tax rate from 4.63 to 4.55 percent.
2 min read
One of the many policy questions Colorado voters will be tasked with deciding this November is whether to amend the state constitution to repeal the Gallagher Amendment, a provision within the Colorado constitution that, since 1982, has limited residential property to 45 percent of the statewide property tax base. Repealing the Gallagher Amendment would cause residential property taxes to rise over time but would also enhance the neutrality and overall competitiveness of the tax code.
4 min read
State tax revenue collections were down 5.5 percent in FY 2020, driven by a dismal final quarter (April through June) as states began to feel the impact of the COVID-19 pandemic. While these early losses are certainly not desirable, they are manageable and far better than many feared.
16 min read
Nineteen states had notable tax changes take effect on July 1, 2020. Pandemic-shortened sessions contributed to less—and different—activity on the tax front than is seen in most years, and will likely yield an unusually active summer and autumn, with many legislatures considering new measures during special sessions.
12 min read
While it is understandable that lawmakers and organizers are worried about Colorado’s financial situation, they should remember that narrow taxes are volatile and disrupt markets. Excise taxes can play a role in state revenues even as policymakers appreciate that excise taxes are not viable long-term revenue tools for general spending priorities.
4 min read