We camp mainly in GA, AL, and FL. I can't remember any problems with drunks, bus some are drinking, but not getting rowdy.
Our problem is finding campsites. You have to be flexible, and plan 6 months ahead for holiday weekends. Most if the time we can finds sites, but during the summer we like to go to the lake and take the boat. Waterfront sites go fast.
The local Corp of Engineer sites on the local lakes have walk up sites, but many people will take the camper there on Wed, or Thursday to get the site, but not actually use it until Friday night. It's an hour drive to do that for me, so I have not done it, but I can see that in our future. Only problem is that adds $100 in fuel and fees that you normally wouldn't have.