According to this report St. Louis has a student population of over 150k. We're near the top of the list nationally.
"The next several metros are a bit more surprising. Dallas-Fort Worth and Miami are the nation's seventh and eighth largest college towns respectively, with roughly 380,000 students each. San Francisco, Atlanta, Houston, and Detroit are each home to more than 300,000 college students, while San Diego, Riverside, Phoenix, Minneapolis-Saint Paul, Seattle, and Baltimore all host more than 200,000 collegians. St. Louis, Pittsburgh, and several other metros have more than 150,000. "
http://www.citylab.com/design/2012/08/a ... owns/3054/
"The next several metros are a bit more surprising. Dallas-Fort Worth and Miami are the nation's seventh and eighth largest college towns respectively, with roughly 380,000 students each. San Francisco, Atlanta, Houston, and Detroit are each home to more than 300,000 college students, while San Diego, Riverside, Phoenix, Minneapolis-Saint Paul, Seattle, and Baltimore all host more than 200,000 collegians. St. Louis, Pittsburgh, and several other metros have more than 150,000. "
http://www.citylab.com/design/2012/08/a ... owns/3054/



