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 nonvisible features shown on Census Bureau maps. See also collection block, 100-percent data, tabulation block.

Census county division (CCD) A statistical subdivision of a county, established cooperatively by the Census Bureau and State and local government authorities, for the presentation of decennial census data in 21 States that do not have well-defined MCDs; that is, where MCDs have not been legally established, do not serve a legal or administrative governmental purpose, are not well known, have poorly defined boundaries, and/or have frequent boundary changes. A CCD boundary normally follows visible features and county lines, but may follow corporate boundaries and other nonvisible features in selected instances. See also census subarea, county subdivision, minor civil division.

Census designated place (CDP) A statistical entity, defined for each decennial census according to Census Bureau guidelines, comprising a densely settled concentration of population that is not within an incorporated place, but is locally identified by a name. CDPs are delineated cooperatively by State and local officials and the Census Bureau, following Census Bureau guidelines. These entities were called unincorporated places for the 1940 through 1970 censuses. See also aldea, comunidad, whole-town CDP, zona urbana.

Census division See division (census geographic).

Census geography A collective term referring to the geographic entities used by the Census Bureau in its data collection and tabulation operations, including their structure, designations, and relationships to one another.

Census map Any map produced by the Census Bureau that displays the geographic entities used in a Census Bureau census or survey.

Census of agriculture An enumeration of the Nation’s farms, farm population, and agricultural production, conducted by the Census Bureau every five years, in years ending in 2 and 7. See also economic census. GlossaryG-9