the pokemon go events around this area have completely stopped. one part is mainly because it's winter here. current temp is 24 degrees F. saw a little snow yesterday.
the area Facebook pages have pretty much dried up. last post was month or so ago. once again - could be due to weather.
i've only ever been to 1 pokemon go event. don't know the exact number of people, but it was crazy. i'd guess 500+. it was just outside of a University campus. 10-12 pokestops within 1 city block. all lured the entire time. best pokemon i got was a Dragonite. this was back in early September.