Actually over 10,000 homeless people live in downtown L.A.
Excellent series of articles about it here
[
www.latimes.com]
Inglewood is supposedly a high crime area but I have taken the bus to the Forum and back and done some walking in the area without any problems.
Amoeba is a great place to hang out, they actually have a stage and the occassional free gigs (including touring artists etc)