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  2. File:2010 census map of Tract 44, Washington, D.C.png

    en.wikipedia.org/wiki/File:2010_census_map_of...

    2010_census_map_of_Tract_44,_Washington,_D.C.png (685 × 507 pixels, file size: 111 KB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  3. Census tract - Wikipedia

    en.wikipedia.org/wiki/Census_tract

    A census tract, census area, census district or meshblock [1] is a geographic region defined for the purpose of taking a census. [2] Sometimes these coincide with the limits of cities , towns or other administrative areas [ 2 ] and several tracts commonly exist within a county.

  4. ZIP Code Tabulation Area - Wikipedia

    en.wikipedia.org/wiki/ZIP_Code_Tabulation_Area

    Individual USPS ZIP codes can cross state, place, county, census tract, census block group and census block boundaries, so the Census Bureau asserts that "there is no correlation between ZIP codes and Census Bureau geography". [2] Moreover, the USPS frequently realigns, merges, or splits ZIP codes to meet changing needs.

  5. 2010 United States census - Wikipedia

    en.wikipedia.org/wiki/2010_United_States_Census

    The 2010 United States census was the 23rd United States census.National Census Day, the reference day used for the census, was April 1, 2010. [1] The census was taken via mail-in citizen self-reporting, with enumerators serving to spot-check randomly selected neighborhoods and communities.

  6. Topologically Integrated Geographic Encoding and Referencing

    en.wikipedia.org/wiki/Topologically_Integrated...

    TIGER includes both land features such as roads, rivers, and lakes, as well as areas such as counties, census tracts, and census blocks. Some of the geographic areas represented in TIGER are political areas, including state and federally recognized tribal lands, cities, counties, congressional districts, and school districts.

  7. Minor civil division - Wikipedia

    en.wikipedia.org/wiki/Minor_civil_division

    A minor civil division (MCD) is a term used by the United States Census Bureau for primary governmental and/or administrative divisions of a county or county-equivalent, typically a municipal government such as a city, town, or civil township. MCDs are used for statistical purposes by the Census Bureau, and do not necessarily represent the ...

  8. Census county division - Wikipedia

    en.wikipedia.org/wiki/Census_county_division

    Census 2000 Block Map of DeKalb County, Georgia, showing the county's five CCDs (delineated by the dark lines). CCDs are non-governmental units and have no legal or governmental functions. Their boundaries usually follow visible features, such as roads, railroads, streams, power transmission lines, or mountain ridges, and coincide with the ...

  9. Wikipedia:WikiProject U.S. counties - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject_U.S...

    The red and black U.S. county maps are generated from scanned public domain originals, which have then been modified by User:Wapcaplet and User:Jdforrester to indicate the counties and licensed under the GFDL. User:The Anome has uploaded these images using a bot. User:Ram-Man included links to these maps in all of the county articles.