NOTES: See table 4-5 in appendix B
for regional definitions. 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).
SOURCES: 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).
