Connecticut State Income Tax 2024 Calendar. Connecticut's 2024 income tax ranges from 3% to 6.99%. You can quickly estimate your connecticut state tax and federal tax by selecting the tax year, your filing status, gross income and gross expenses, this is a great way to compare salaries.

An estimated 1 million tax filers in connecticut — representing 59 percent of all filers — can expect some level of relief in the new year under what gov. Calculate your connecticut state income taxes.