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URBSIZE
Size of urbanized area
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Description

URBSIZE reports the size of the locality where the household was enumerated. This variable provides the only geographic detail below the level of region and division that is included in the 1970 Neighborhood sample.

URBSIZE classifies households as being inside or outside an "urbanized area." Under the 1970 census definition, an urbanized area contains a central city with 50,000+ inhabitants (or two cities each with 15,000+ inhabitants and a combined population of 50,000+), plus surrounding areas ("the urban fringe") that met certain criteria of population size or density. Places outside of urbanized areas were classified as "urban" (if they had 2,500+ inhabitants) or "rural" (if they had fewer than 2,500 inhabitants).

In URBSIZE, places outside urbanized areas are classified according to the following population intervals: 1 to 999; 1,000 to 2,499; 2,500 to 9,999; and 10,000 to 49,999. Within urbanized areas, the category for both the central city(s) and the surrounding urban fringe are: 50,000 to 499,999; 500,000 to 999,999; and 1,000,000+.