We haven't had kids regularly go out trick or treating for the past 5 years. In those 5 years I bet you in total there have been no more than 20 kids. Last year we had 0 kids. Last night we had 2.
I don't want to eat candy, so if there was a kid that came out at 11:00 I seriously would have given him almost half of the stuff we bought.
I feel bad though for the kids that all dress up and go trick or treating and then realize that there is no one else out there, or that none of the houses are handing our stuff.