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Component ID: #ti1802487214

The Census Bureau’s urban-rural classification is fundamentally a delineation of geographical areas, identifying both individual urban areas and the rural areas of the nation.  The Census Bureau’s urban areas represent densely developed territory, and encompass residential, commercial, and other non-residential urban land uses.  The Census Bureau delineates urban areas after each decennial census by applying specified criteria to decennial census and other data.

Component ID: #ti1235393823

The Census Bureau identifies two types of urban areas:

  • Urbanized Areas (UAs) of 50,000 or more people;
  • Urban Clusters (UCs) of at least 2,500 and less than 50,000 people.

“Rural” encompasses all population, housing, and territory not included within an urban area.

For more information about the history of Urban and Rural Classification, please see:

1990 Census Urban and Rural Classification

Urban and Rural Populations

For the "United States: 1790 to 1990" file below, an error in the 1960 rural population count was discovered after the publication of CPH-2-1 from the 1990 Census. The correct 1960 rural population using the 'Current urban definition' is 54,054,425.

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