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.
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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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A landmark comparison of corporate tax costs in all 50 states, Location Matters provides a comprehensive calculation of real-world tax burdens, going beyond headline rates to demonstrate how tax codes impact businesses and offering policymakers a road map to improvement.
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New Yorkers faced the highest burden, with 14.1 percent of income in the state going to state and local taxes. Connecticut (12.8 percent) and Hawaii (12.7 percent) followed.
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Our updated 2021 edition of 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.
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Here’s each state’s estimated revenue gains or losses in 2020, alongside the state and local aid that would be allocated to each under the American Rescue Plan Act.
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Congress chose to exempt forgiven Paycheck Protection Program (PPP) loans from federal income taxation. Many states, however, remain on track to tax them by either treating forgiven loans as taxable income, denying the deduction for expenses paid for using forgiven loans, or both.
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At least four states—Connecticut, Hawaii, New York, and Washington—are considering statewide excise taxes on sugary drinks this year.
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Individual income taxes are a major source of state government revenue, accounting for 37 percent of state tax collections in fiscal year (FY) 2017. Several states had notable individual income tax changes in 2020: Arizona, Arkansas, Massachusetts, Michigan, Minnesota, North Carolina, Ohio, Tennessee, Virginia, and Wisconsin.
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With most states experiencing reduced tax revenues due to the coronavirus pandemic, several are contemplating whether recreational marijuana legalization and taxation may be one avenue to raise new revenue. While states that have already legalized do raise meaningful revenue, lawmakers should remember that establishment of legal markets takes time.
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