You can claim your child as a dependent only if he had gross income of less than $4,050 in 2017.
If he had income over $4,050 then you cannot claim him as a dependent and cannot file as Head of Household.
Please read carefully the questions when you enter his information in the My Info section of TurboTax.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"