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Data Dictionary: Census 1990 on 2010 Geographies
you are here: choose a survey survey data set table variable details
Data Source: U.S. Census Bureau & Social Explorer
Universe: Occupied housing units
Variable Details
H21. Persons Per Room
Universe: Occupied housing units
RC1990SF1_006_H021_001Occupied housing units
Percent base:
None - percentages not computed (variable is table universe)
Aggregation method:
Addition
Relevant Documentation:
Excerpt from: Social Explorer, U.S. Census Bureau; Census of Population and Housing, 1990: Summary Tape File 1 on CD-ROM [machine-readable data files] / prepared by the Bureau of the Census. Washington: The Bureau [producer and distributor], 1991.
  Summary Tape File 1 -> Appendix B. Subject Characteristics -> Housing Characteristics -> Persons per Room
Persons per Room
"Persons per room" is obtained by dividing the number of persons in each occupied housing unit by the number of rooms in the unit. 'Persons per room' is rounded to the nearest hundredth. The figures shown refer, therefore, to the number of occupied housing units having the specified ratio of persons per room.

Mean Persons per Room
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This is computed by dividing persons in housing units by the aggregate number of rooms. This is intended to provide a measure of utilization. A higher mean may indicate a greater degree of utilization or crowding; a low mean may indicate under-utilization. (For more information on means, see the discussion under "Derived Measures.")