An article (with picture of some potential sorority members) about U. of Iowa recruitment is in a recent issue of the city paper. It says about 10 percent of the undregrads are Greek, and if the figures quoted are accurate, a lot more women than men are Greek:
http://www.press-citizen.com/apps/pb...508170321/1079
The article mentions that Beta Theta Pi will be recolonizing, with a four-week recruitment period.
And just to clarify, the U. of Iowa is a different school from Iowa State, which has been mentioned in a recent thread or two.