Perhaps you can find an spouse of a deployed service member who lives off post. Our old babysitter is now married to a deployed 1LT. They bought a home and have a little toddler. Their mortgage was covered as his BAQ continues but she found a female roomie for the time until her h returns.
This deals mostly with renting entire homes: h
ttp://www.forsalebymilitary.net/search.asp
Can you get copies of the local Columbus and/or Ft Benning papers? They might have ads for roommates as well