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 2024 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?
Get facts about taxes in your state and around the U.S.
While there are many ways to show how much is collected in taxes by state governments, our Index is designed to show how well states structure their tax systems by focusing on the how more than the how much in recognition of the fact that there are better and worse ways to raise revenue.
129 min read
IRS and Census data show that people and businesses favor states with low and structurally sound tax systems, which can impact the state’s economic growth and governmental coffers.
12 min read
When examining tax burdens on businesses, it is important to consider both federal and state corporate taxes. Corporate taxes are one of the most economically damaging ways to raise revenue and are a promising area of reform for states to increase competitiveness and promote economic growth, benefiting both companies and workers.
2 min read
Property taxes are the primary tool for financing local government and generating state-level revenue in some states as well.
5 min read
The mix of tax sources states choose can have important implications for both revenue stability and economic growth, and the many variations across states are indicative of the different ways states weigh competing policy goals.
29 min read
The FDA’s proposal to ban flavored cigars would carry significant revenue implications for many state governments.
7 min read
However well-intended they may be, sales tax holidays remain the same as they always have been—ineffective and inefficient.
43 min read
While many factors influence business location and investment decisions, sales taxes are something within policymakers’ control that can have immediate impacts.
12 min read
Among the 46 states that held legislative sessions this year, structural state tax reform and temporary tax relief measures were recurring themes.
13 min read
If the policy goal of taxing cigarettes is to encourage cessation, vapor taxation must be considered a part of that policy design.
4 min read