The city says a check found no mass exodus to Aurora, Littleton, Adams County and other communities.
Denver police tell the Denver Post they have not been strictly enforcing the ban since it went into effect two weeks ago.
The new law bans eating, sleeping and storing personal possessions on public or private property without permission.
It applies to anyone using any kind of shelter, even a blanket.
(Copyright 2012 by The Associated Press. All Rights Reserved.)