I live in Athens, and I've always enjoyed it. The only real problem is the fact that you really have to go to Madison or Huntsville to do any real shopping. Entertainment is also thin in Athens. One small movie theater and a few chain restaurants is about it.
There actually are building codes outside of the city, the problem is that there is no entity to enforce those codes.
Seeing as how you are not buying a home, I can relay a little more information about the area, but I still can't go into too much detail because it is a public forum. (If you were buying a home, and I said area A is better than area B, it would be labeled as steering and I could get in trouble

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1. I would not take girl scout cookies to "Box Alley" at night. This is an area North of HWY 72 and South of Washington off Hines Street (not the entire area, but a select area).
2. The elementary schools are actually pretty decent.
3. I've lived in Cottonwood Apts, Camelot Apts, Swan Creek Apts, have been in Windsor, Athens Square, Athens Village, and one other off of Elm Street. Out of those I would definitely recommend Cottonwood/Southwind Apartment. I would not go back to Swan Creek. Also, the places behind the Sleep Inn seem decent.
Hope that helps a little.