From the 2005 census numbers, some cities which need to build some I-AA football within its borders:

1. San Antonio (UTSA): 1.25 million
2. Detroit (Detroit-Mercy): 886,000
3. San Francisco (USF?): 739,000
4. Baltimore (Loyola?) 635,000
5. Charlotte (Charlotte): 610,000
6. Milwaukee (UWM, Marquette): 578,000