No genre is things like romance, sci-fi, mystery, etc.
Demo is stuff like men/women, 13-17/18–49/50+, etc
There are authors and works who are "marketed" as YA, but the content is not scrubbed like with PG-13 ratings.
Pratchett's Tiffany Aching series is YA with a bent towards female readers, but it is by no means any bit lesser than a normal Discworld book.