Transcription of Chapter 11 Census Blocks and Block Groups
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Chapter 11 Census Blocks and Block Groups
Census Blocks , the smallest geographic area for which the Bureau of the Census collects and tabulates decennial Census data, are formed by streets, roads, railroads, streams and other bodies of water, other visible physical and cultural features, and the legal boundaries shown on Census Bureau maps. Census data for these areas serve as a valu-able source for small-area geographic studies. The Census Bureau hasresponded to public demand for more geographic coverage of Census Block data by expanding the Census Block Statistics Program each dec- ade since Block data first were published in 1940.
11-6 Census Blocks and Block Groups First use of block groups In the block numbered areas, the Census Bureau devised the block group (BG) as a data tabulation and publication unit equivalent to the ED in non-block numbered areas.
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