Here are a few of the most interesting Roll20 statistics and facts I was able to dig up. As always, be sure to check back in the future as I will be updating this post as new and updated stats become available.
How many people use Roll20?
Last updated 11/1/18
What is Roll20?
Roll20 is the easy-to-use virtual tabletop that brings pen and paper gaming to the web the right way. (source)