Ct State Income Tax Rates 2025. December 26, 2023 ยท 5 minute read. To estimate your tax return for 2025/25, please.
Also, find standard deductions, and ct tax forms by tax year. The 5% tax rate will be lowered to 4.5%, and the 3% tax rate will be lowered to 2% starting in the 2025 tax year.