Happy home searching!
Scott R Hamilton, CNE, REALTOR
Sky Realty Austin
The city has some maps by zip code. Your query is for 78729 and you can see the detailed staistics for 2011 (and previous years by selecting zip and year) if you go to this site:
Good luck with it, and just e-mail me if I can help you further.
GRI, CRS, ABR, CLHMS, e-Pro