Schedule CT-Dependent: CT Resident Dependent Information (2025)
Connecticut · Connecticut DRS · Used for tax years 2025
Schedule CT-Dependent reports information about dependents claimed on your 2025 federal Form 1040, including their names, dates of birth, Social Security numbers, and relationships to you. Connecticut DRS uses this information to determine eligibility for DRS-administered program
Who files this form
Complete Schedule CT-Dependent if you were a Connecticut resident for all of 2025 and claimed at least one dependent on your 2025 federal Form 1040.
You do not need to complete this schedule if:
- You were a nonresident or part-year resident of Connecticut during 2025.
- You did not claim any dependents on your 2025 federal Form 1040.
DRS uses this information to determine your eligibility for programs it administers.
What you'll need
Have your 2025 federal Form 1040 available to identify the dependents you claimed. The schedule asks for:
- Your Social Security number.
- Each dependent’s first and last name.
- Each dependent’s date of birth, in MM-DD-YYYY format.
- Each dependent’s Social Security number.
- Each dependent’s relationship to you.
- The total number of dependents.
If you claimed more than four dependents, include a statement showing the information required in Columns A through D: name, date of birth, Social Security number, and relationship.
How to file
Attach your completed Schedule CT-Dependent to the back of Form CT-1040. Do not use staples.
To make any change to the schedule, log into myconneCT.
Common mistakes
- Using the wrong year’s form: Each form is year specific. Submit the correct year’s form to avoid processing delays. Use the 2025 schedule for tax year 2025.
- Completing the schedule when it is not needed: Stop if you were a nonresident or part-year resident during 2025, or if you claimed no dependents on your 2025 federal Form 1040.
- Leaving out the additional statement: If you claimed more than four dependents, include a statement with the information required in Columns A through D.
- Using staples: The form says not to use staples.
Questions people ask
Which dependents should I report?
Report each dependent you claimed on your 2025 federal Form 1040 filed with the IRS.
What if I claimed more than four dependents?
Include a statement showing the information required in Columns A through D: each dependent’s full name, date of birth, Social Security number, and relationship to you.
Which relationship code should I use in Column D?
Use 1 for son, daughter, or stepchild; 2 for niece or nephew; 3 for grandchild; 4 for foster child; or 5 for other.
How do I change information on this schedule?
Log into myconneCT to make any change to the schedule.
Why does DRS ask for dependent information?
DRS uses the information to determine your eligibility for programs it administers.