Do I pay taxes on child support? AARP Foundation Tax-Aide Online Tax Assistance November 21, 2018 21:44 Updated Follow Child support payments are not taxable. Related articles Are alimony payments taxable? What services does Tax-Aide provide? What is the difference between "ordinary dividends" and "qualified dividends"? My 1099 dividend statements were marked by the companies as both. I started receiving Social Security this year - will it be taxable? What is the earned income tax credit and how do I know if I qualify? Comments 0 comments Article is closed for comments.