There are many sites that give the simple descriptive stats by zip. Including the factfinder.census.gov. (http://factfinder.census.gov/servlet/SAFFFacts?_event=Search&geo_id=86000US63119&_geoContext=01000US%7C86000US63119&_street=&_county=&_cityTown=&_state=&_zip=63101&_lang=en&_sse=on&ActiveGeoDiv=geoSelect&_useEV=&pctxt=fph&pgsl=860&_submenuId=factsheet_1&ds_name=DEC_2000_SAFF&_ci_nbr=null&qr_name=null&reg=null%3Anull&_keyword=&_industry=)

http://factfinder.census.gov/servlet/SAFFFacts?_event=Search&geo_id=86000US63119&_geoContext=01000US%7C86000US63119&_street=&_county=&_cityTown=&_state=&_zip=63101&_lang=en&_sse=on&ActiveGeoDiv=geoSelect&_useEV=&pctxt=fph&pgsl=860&_submenuId=factsheet_1&ds_name=DEC_2000_SAFF&_ci_nbr=null&qr_name=null&reg=null%3Anull&_keyword=&_industry=