*Information on largest office spaces available, and on US median income for 2000 and (estimated) for 2015 are located in E:\McNair\Projects\Innovation Districts\Houston Startup Ecosystem\Location data.
*Office spaces for sale in the the zip codes listed below were compiled in "Office property listings..." in E:\McNair\Projects\Innovation Districts\Houston Startup Ecosystem\Location data. Included is acreage/square footage and address. Listings under "office space" that looked like houses were removed.
**Listings pulled from zip codes:
***77002
***77003
***77004
***77005
***77006
***77007
***77008
***77009
***77019
***77098
***77030
***77027
***77025
***77046
***77024
***77056
***77057
***77401
***77096