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AttributesĬensus block identifier: a concatenation of 2020 Census state FIPS code, 2020 Census county FIPS code, 2020 Census tract code, and 2020 Census block numberĢ020 Census tabulation block name a concatenation of ‘Block’ and the tabulation block numberĢ020 Census latitude of the internal pointĢ020 Census longitude of the internal pointĢ020 Census count of housing units as determined by PL94-171 demographics report for redistrictingĢ020 Census count of population as determined by PL94-171 demographics report for redistrictingĪrea of the block calculated in square feet There is no consistency in block numbers from one decennial census to another. A block number can only be unique by using the decennial census state (STATEFP), county (COUNTYFP), census tract (TRACTCE), and block (BLOCKCE) attributes this concatenated value is recorded in the GEOID20 field. The first character of the tabulation block number identifies the block group. Census blocks are numbered uniquely within the boundaries of each state, county, and census tract with a 4-character census block number. Often the size of a city block in urban areas, their size varies in other parts of the state. Blocks do not cross the boundaries of any entity for which the Census Bureau tabulates data. Census blocks cover all territory in the United States, Puerto Rico, and the Island areas. ( CENSUS2020BLOCKS_POLY) Blocks are statistical areas bounded on all sides by visible features, such as streets, roads, streams, and railroad tracks, and by non-visible boundaries such as city, town, township, and county limits, and short line-of-sight extensions of streets and roads.
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