As a 501(c)(3) nonprofit, we depend on the generosity of individuals like you. Help us continue our work by making a tax-deductible gift today.
The Tax Foundation is the nation’s leading independent tax policy nonprofit. Since 1937, our principled research, insightful analysis, and engaged experts have informed smarter tax policy at the federal, state, and global levels. For over 80 years, our goal has remained the same: to improve lives through tax policies that lead to greater economic growth and opportunity.
How does Connecticut’s tax code compare? Connecticut has a graduated individual income tax, with rates ranging from 3.00 percent to 6.99 percent. Connecticut also has a 7.50 percent corporate income tax rate. Connecticut has a 6.35 percent state sales tax rate and levies no local sales taxes. Connecticut’s tax system ranks 47th overall on our 2022 State Business Tax Climate 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: How Does Your State Compare?