In-home caregiver for my wife paid by the State of CO I should have to pay taxes, but it is not showing my State income

Please help:

TurboTax asked for my W2 info box 1 is showing nothing as there is no Federal Tax on wages I earn from the State of CO as an in-home caregiver.  However Box 16 shows almost $30K which is my CO state wages.  Why am I not being charged state taxes by TurboTax?