Ames, Iowa
Population: 91,140
College: Iowa State University
This town has the highest student concentration among the top 20 towns, including a large percentage of international students. While Iowa may be known for farming, the college caters to students looking at other careers. “Majors include everything from aerospace engineering to women’s studies, and the variety of clubs and intramural sports on campus reflect a student body with diverse interests,” AIER writes.