How does Connecticut’s tax code compare? Connecticut has a graduated state individual income tax, with rates ranging from 2.00 percent to 6.99 percent. Connecticut has a 7.5 percent corporate income tax rate. Connecticut also has a 6.35 percent state sales tax rate and does not have local sales taxes. Connecticut has a 1.78 percent effective property tax rate on owner-occupied housing value.
Connecticut has an estate tax. Connecticut has a 25 cents per gallon gas tax rate and a $4.35 cigarette excise tax rate. The State of Connecticut collects $9,469 in state and local tax collections per capita. Connecticut has $14,903 in state and local debt per capita and has a 58 percent funded ratio of public pension plans. Connecticut’s tax system ranks 47th overall on the 2025 State Tax Competitiveness Index.
Each state’s tax code is a multifaceted system with many moving parts, and Connecticut is no exception. The first step towards understanding Connecticut’s tax code is knowing the basics. How does Connecticut 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?
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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).
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Of all alcoholic beverages subject to taxation, stiff drinks—and all distilled spirits—face the stiffest tax rates. Like many excise taxes, the treatment of distilled spirits varies widely across the states.
4 min read
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Tobacco is the most highly taxed consumer product in the United States. The tools on this page allow you to explore state tax rates and the effects tax policy and tobacco regulations can have on state revenues, smuggling, and effective tax rates for different income groups.
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An ideal sales tax applies to a broad base of final consumer goods and services, with few exemptions, and is levied at a low rate.
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Individual income tax rates can influence location decision-making, especially in an era of enhanced mobility, where it is easier for individuals to move without jeopardizing their current job, or without limiting the scope of their search for a new one.
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Recreational marijuana taxation is one of the hottest policy issues in the U.S. Currently, 21 states have implemented legislation to legalize and tax recreational marijuana sales.
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The overall U.S. tax and transfer system is overwhelmingly progressive, and understanding the extent—and source—of that progressivity is essential for lawmakers considering the trade-offs associated with each tax policy decision.
23 min read
As housing prices are rapidly increasing, and property tax bills along with them, the property tax has come into the spotlight in many states. The design of a state’s property tax system can affect how attractive that state is to businesses and residents.
9 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