Originally Posted by voodoochile
Depends if you include Wisconsin and NE Indiana. They also have a large fanbase in Iowa and draw well with visiting team fans. Heck most summer series against St. Louis are about 30% or more Cardinals' fans. That's before you factor in casual tourism. I agree the number is probably high, but like it or not Wrigley is a place of destination for tourists too.
Ah, forgot about visiting fans for fairly close sports teams, though a portion of those live here, as well. Still, averaging 14,000 non-Illinois fans each game? That is not happening.