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  2. 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.

  3. 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 ...

  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. 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.

  6. Public Use Microdata Area - Wikipedia

    en.wikipedia.org/wiki/Public_Use_Microdata_Area

    As of 2022, based on the results of the 2020 Census, there are 2,487 PUMAs. PUMAs allow the Census to publish census data for sub-state areas throughout every state. For example, the ACS publishes detailed data every year, but due to their sampling procedure only publishes data for census area that have more than 65,000 People.

  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. Core-based statistical area - Wikipedia

    en.wikipedia.org/wiki/Core-based_statistical_area

    An enlargeable map of the New England city and town areas (NECTAs) of the United States An enlargeable map of the 929 core-based statistical areas (CBSAs) of the United States and Puerto Rico. The 388 metropolitan statistical areas (MSAs) are shown in dark green. The 541 micropolitan statistical areas (μSAs) are shown in light green.

  9. List of United States counties and county equivalents - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    The following table lists the 3,244 counties and county equivalents of the United States with the following information for each entity: The county or equivalent; The state or equivalent (federal district or territory) The population as of April 1, 2020 as enumerated by the US Census Bureau [10] The county's area in square miles