I want to find out if my wife divorced me.

Then ask her, How do we know if you wife will divorce you or not, in the US she will have no choice is you just file for divorce.

Want to know if my divorce me how can I find out

Ask her. Does she have a reason too?

Ask her. Does she have a reason too?

I haven't seen her for years

Then search the public court records where you lived at. Or let a clerk at city hall do it for you.