Source Information

• Urban area data source information

  Primary source:

  Wolfram|Alpha Knowledgebase, 2024.

  Background sources and references:

  • United Nations. "The 2007 Revision Population Database." World Urbanization Prospects. »
  • United States Census Bureau. "Lists of Urbanized Areas and Urban Clusters." Census 2000 Urban and Rural Classification. »
  • United States Census Bureau. "Census 2000 Urbanized Areas Cartographic Boundary Files." Cartographic Boundary Files. »

This list is intended as a guide to sources of further information. The inclusion of an item in this list does not necessarily mean that its content was used as the basis for any specific Wolfram|Alpha result.

Requests by researchers for detailed information on the sources for individual Wolfram|Alpha results can be directed here.