No. Child support payments are not subject to tax. Starting on January 1, 2019, the law eliminated the deduction for those making alimony payments.Child support is never deductible and isn't considered income. The IRS states that you can't deduct alimony or separate maintenance payments made under a divorce or separation agreement executed after 2018. Texas does not assess a state income tax, so the answer to "Is child support taxable in Texas?" is no. However, there are federal tax implications to consider. Filing for a divorce can cause some complexities in your tax situation. Unlike alimony or spousal support, payments made for child support are for the benefit of your children and will not be considered "income" for tax purposes. The answer to this question is always simply No. Child support is considered "tax neutral. The parent who pays child support is responsible for paying the taxes.