Urban

Terms: 
urban

OHSPD

As defined by OSHPD "urban" is a designation of any MSSA which is not a rural or frontier MSSA.

Source and for further information: California Healthcare Workforce Catalog http://gis.ca.gov/catalog/BrowseRecord.epl?id=23784

US Census

All territory, population and housing units in urbanized areas and in places of more than 2,500 persons outside of urbanized areas. "Urban" classification cuts across other hierarchies and can be in metropolitan or non-metropolitan areas.

Source and for further information:  U.S. Census Bureau http://factfinder.census.gov/home/saff/main.html?_lang=en