You could be transgender, but you could also be genderfluid, agender, genderqueer, bigender, transgender is an umbrella term under which there are many termas related to gender expressions.

You probably can read up on some of those labels and see what you identify best with.. or... you don't need to label yourself at all, you are you. I understand there's an urge to fit in, though.

I think discovering your true self is a journey, getting to know other people similar to you will help you understand what you're going through. A Gender Therapist or professional can always help you out too.