It was about 275-300K. I know how many folks fit into Tiger Stadium, and there were almost 4 Tiger Stadiums on Saturday.
LSU by the way
Having looked at several photos of the rally in relationship to other known rally, I would think that is a fair guesstimate
In the large scale of things, how petty of the main stream media to on purpose lower the number of people at the event. In the long run nobody is going to care and it will be completely meaningless after the dems are decimated in Nov