The Income tax rates and personal allowances in Connecticut are updated annually with new tax tables published for Resident and Non-resident taxpayers. The Tax tables below include the tax rates, thresholds and allowances included in the Connecticut Tax Calculator 2024 .

Connecticut’s income tax has seven tax brackets. Starting with the 2024 tax year, the rates range from 2.00% to 6.99%. (A 2023 law decreased the bottom two rates from (1) 3% to 2% and (2) 5% to 4.5%.) The rates are marginal, meaning that only the income that falls within the corresponding range is subject to tax at the specified rate.

The Connecticut income tax has seven tax brackets, with a maximum marginal income tax of 6.990% as of 2025. Detailed Connecticut state income tax rates and brackets are available on this page.

File and pay Form CT-1040 electronically using myconneCT at portal.ct.gov/DRS-myconneCT. Legislation lowers the two lowest marginal rates. Specifically, the 3% rate on the first $10,000 earned by unmarried individuals and the first $20,000 by couples will decrease to 2%.

If you make $70,000 a year living in Connecticut as a single filer, you will be taxed $9,516. Your average tax rate is 10.34% and your marginal tax rate is 22%. This marginal tax rate means that...

Feb 18, 2025 · Connecticut introduced its first state income tax—a flat rate of 4.5%—on August 22, 1991, to help offset a $963 million budget deficit. Today, the state uses a progressive state income tax system with seven tax rates—ranging from 2% to 6.99%—for the 2024 tax year (the taxes you’ll file in 2025).

Apr 16, 2015 · Connecticut's income tax rates were last changed one year ago for tax year 2023, and the tax brackets were previously changed in 2015. Connecticut has seven marginal tax brackets, ranging from 2% (the lowest Connecticut tax bracket) to …

Connecticut has a progressive income tax rate structure, meaning that the tax rate increases with income at varying rates as income grows in each bracket. The changes enacted in 2024 will see a decrease in the two lowest rates: The 3% rate on the first $10,000 earned by single filers and the first $20,000 by joint filers will drop to 2%.

Jan 1, 2025 · The state of Connecticut generates most of its revenue through an individual income tax and a statewide sales tax. Income tax rates range from 2.00% to 6.99%; that top rate ranks above the U.S. average.

Sep 5, 2024 · Connecticut state tax rates and rules for income, sales, property, gas, cigarette, and other taxes that impact Connecticut residents.