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Block

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Block  (BLOCK)


Census operations1 usually begin with the delimitation of census areas2 and enumeration districts3. Enumeration districts in towns may consist of one or several blocks4, a block being defined as a group of buildings around which it is possible to walk without crossing a street, or which are bounded by some obstacle, such as a railway line, or a river. Most of the larger cities of the United States of America have been divided into statistical areas called census tracts5, which may contain several enumeration districts.
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