NOTE: A housing unit is classified
as occupied if there is at least one person who lives in the unit as a
usual resident at the time of the survey or if the occupants are only
temporarily absent, (e.g., on vacation).
SOURCE: U.S. Department of Housing
and Urban Development and U.S. Department of Commerce, U.S. Census Bureau, American Housing Survey for the United States, H150 (Washington, DC: Biennial issues).
