Board Thread:Skyrim/@comment-14027812-20130815122328/@comment-29458028-20141002045403

Hulking draugr appear at relatively low levels and are actually quite weak. At higher levels, they will be replaced by scourges, deathlords etc.

The main reason why you don't see them is precisely because everyone is at stupidly high levels (I've never seen one in my level 151 profile, who was 151 before I got dragonborn, for e.g.s