Need help with "state of residence" I'm military and joined in Idaho. So that should be my state of residence but then the question below it say it can be before 2016

[ToddL]

Yes, your state of residence is Idaho. 

You have to answer successive interview questions as if you are still living in ID, 

When you complete the Personal Interview:

1. Select Idaho as your state of residence;
2. Answer "No" to  "(Name)  lived in another state in 2016?"
3. Unless you have non-military income where you are stationed, you did not "Earn money in another state".

(Active-duty military are considered to live in their state HOR no matter where they are stationed. Their active-duty pay is considered to be earned in their state HOR).