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URBAREA
Urbanized area

Description

"Urbanized areas" are concentrations of at least 50,000 people consisting of a central city and the surrounding, closely-settled contiguous urban fringe. Urbanized areas have a population density of at least 1,000 persons per square mile, though small pockets of land within them (such as industrial parks or railroad yards) may be less densely settled.

Codes and Frequencies



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Comparability

Due to confidentiality restrictions, the only urbanized areas that can be identified in 1980 are those containing 100,000+ inhabitants in the central city and 100,000+ inhabitants in the urban fringe. The specific components of 1980 urbanized areas are further classified in the URBTYPE variable.

Universe

  • 1850-1900: All households and group quarters.
  • 1910-1920: All households and group quarters; not available for Puerto Rico.
  • 1930: All households and group quarters.
  • 1980: All households and group quarters.

Availability

United States
  • 2016: --
  • 2015: --
  • 2014: --
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  • 2002: --
  • 2001: --
  • 2000: --
  • 1990: --
  • 1980: 1% urban
  • 1970: --
  • 1960: --
  • 1950: --
  • 1940: --
  • 1930: All samples
  • 1920: All samples
  • 1910: All samples
  • 1900: All samples
  • 1880: All samples
  • 1870: All samples
  • 1860: All samples
  • 1850: All samples
Puerto Rico
  • 2016: --
  • 2015: --
  • 2014: --
  • 2013: --
  • 2012: --
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  • 2000: --
  • 1990: --
  • 1980: --
  • 1970: --
  • 1930: --
  • 1920: --
  • 1910: --

Flags

This variable has no flags.

Editing Procedure

There is no editing procedure available for this variable.