Thinning Hair Where Occipital Bone Is?

I have a question concerning thin hair. I am a 31 year old male. I have always had really fine hair. I dont appear to be going bald but there is a really thin spot on the back middle section of my head. When my hair is cut short it looks pretty thin back there. Someone told me this might be because this is where the occipital bone is. Is it common to have thinner hair around the occipital bone? Do you see this alot? Thank you very much.

No, I do not see this in isolation. You may be noticing thinning around the rim of the crown area on the back of the head (see image at right).

If you are indeed pointing to where the occipital bone is (see highlighted label on image below), that is the area where hair should be the thickest and fullest in most men who have genetic balding. That is why we call it the permanent zone. Right below this area is the neck and this can have a different genetic code, but there is no bone under that part of the scalp in the midline.

Image source: AARP