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Data Dictionary: Census 1980
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Survey: Census 1980
Data Source: U.S. Census Bureau
Universe: Year-Round Housing Units
Variable Details
T124. Occupancy Status By Year Structure Built
Universe: Year-Round Housing Units
T124_007 1940 to 1949
Percent base:
Total occupied (STF3:T124_001)
Aggregation method:
Addition
Formula used to compute this variable:
#ReturnType oretval = new #ReturnType(); oretval = ORG_STF3:T109013; return oretval;
Variables used in the formula:
ORG_STF3:T109013
Total occupied: 1940 to 1949
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; Census of Population and Housing, 1980: Summary Tape File 3 [machine-readable data file] / conducted By the U.S. Bureau of the Census. Washington: Bureau of the Census [producer and distributor], 1982.
  Summary Tape File 3 -> Summary Tape File 3 -- Part II -> Glossary -> Occupancy Status
Occupancy Status
The classification of all housing units as either occupied or vacant. This item was determined on a complete-count basis.

Occupied
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A housing unit occupied as the usual place of residence of a person or group of Persons living in it at the time of enumeration, or by occupants only temporarily absent such as on vacation. A household consists of all the persons who occupy a housing unit as their usual place of residence. If all the persons staying in the unit at the time of enumeration have their usual place of residence elsewhere, the unit is classified as vacant. Complete count figures on households and occupied housing units should match--although sample estimates of households and occupied housing units may differ because of weighting.

Vacant
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A housing unit with no one living in it at the time of enumeration, unless its occupants are only temporarily absent. If, at the time of enumeration, the unit is temporarily occupied solely by persons who have a usual residence elsewhere, it is also classified as vacant.

New units not yet occupied are classified as vacant housing units if construction has reached a point where all exterior windows and doors are installed and final usable floors are in place.

Vacant units are excluded if open to the elements; that is, if the roof, walls, windows, or doors no longer protect the interior from the elements, or if there is positive evidence (such as a sign on the house or in the block) that the unit is to be demolished or is condemned. Also excluded are quarters being used entirely for nonresidential purposes, such as a store or an office, or quarters used for the storage of business supplies or inventory, machinery, or agricultural products.

Historical comparability
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Similar data have been collected since 1940.

See also: "Vacancy Status".

Excerpt from: Social Explorer; U.S. Census Bureau; Census of Population and Housing, 1980: Summary Tape File 3 [machine-readable data file] / conducted By the U.S. Bureau of the Census. Washington: Bureau of the Census [producer and distributor], 1982.
  Summary Tape File 3 -> Summary Tape File 3 -- Part II -> Glossary -> Year Structure Built
Year Structure Built
The year the original construction of the building was Completed (not the date of any of any later remodeling, addition, or conversion). This item was ascertained for occupied and vacant housing units. For housing units under construction which met the housing unit definition, i.e., all exterior windows, doors, and final usable floors in place, the category "1979 or March 1980" is used. For mobile homes, trailers, and houseboats, the manufacturer's model year is assumed to be the year built. For railroad cars, tents, caves, etc., the date "1939 or earlier" is used. The figures show the number of units in structures built during the specified periods and still in existence at the time of the census. This item was asked on a sample basis.

Limitations
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Year-built data are particularly susceptible to response errors and nonreporting since respondents must rely on their memory or estimates of persons, who have lived in the neighborhood a long time, etc. A 1970 census evaluation study found greater inconsistencies between the census and reinterviews among earlier year-built categories than among categories for more recent periods.

Historical comparability
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Similar data have been collected since 1940. The categories in 1970 were: 1939 or earlier, 1940 to 1949, 1950 to 1959, 1960 to 1964, 1965 to 1968, and 1969 to 1970.