*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.