Here is what families across Indian Country need to know: $3,600 per child under 6 years old and $3,000 per child 6-17 years old for nearly all working families; If you’ve filed tax returns for 2019 …Here is what families across Indian Country need to know: $3,600 per child under 6 years old and $3,000 per child 6-17 years old for nearly all working families; If you’ve filed tax returns for 2019 …