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.
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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?
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Graduated corporate rates are inequitable—that is, the size of a corporation bears no necessary relation to the income levels of the owners.
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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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The six counties with the highest median property tax payments all have bills exceeding $10,000—Bergen, Essex, and Union Counties in New Jersey, and Nassau, Rockland, and Westchester counties in New York. All six are near New York City, as is the next highest, Passaic County, New Jersey ($9,881).
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It is important to understand how the SALT deduction’s benefits have changed since the SALT cap was put into place in 2018 before repealing the cap or making the deduction more generous. Doing so would disproportionately benefit higher earners, making the tax code more regressive.
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Neither Anchorage, Alaska, nor Portland, Oregon, impose any state or local sales taxes. Honolulu, Hawaii, has a low rate of 4.5 percent and several other major cities, including Milwaukee and Madison, Wisconsin, keep overall rates modest.
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Although state budgets may be in unusual places this year, sales tax holidays remain the same as they always have been—ineffective and inefficient.
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If states wish to tax digital streaming and download services, they should do it the right way, by including them in their sales tax base—preferably as part of broader reforms paired with commensurate rate reductions—rather than inventing new excise taxes or shoehorning taxation of the new economy into outdated statutes.
4 min read
With many state legislative sessions wrapping up for this year, and a new fiscal year about to begin, it’s a good time to examine some of the 2021 legislative trends—and sports betting taxes are among the more prominent.
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Krispy Kreme may have started the vaccine incentive ball rolling, but many states are putting big money into the effort with vaccine lotteries. Unlike a normal lottery, no one is paying for tickets—but the tax collector still gets paid when someone wins.
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Although most states are on solid financial footing following the coronavirus crisis, pension liabilities are a deep-seated problem that long predates the pandemic.
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State taxation of GILTI is unconventional and economically uncompetitive and will become even more so if the federal government adopts a more aggressive approach to taxing GILTI, as outlined in the American Jobs Plan Act.
29 min read