Usually for one of two reasons. 1. They are lazy & never bother to take them down after the holidays. 2. They just like the way it looks, so they leave it up year round.
toms river usually does, but not this year. for some reason it's on the 31st, just my luck. but i know there's places down by cape may....idk if that's too far? ill keep looking.
it is the same everywhere no were is different so on 10/31