To reiterate, census geographies are a rule of thumb, not a rule. The Census Bureau, as a rule, does not acknowledge any reportable subdivisions within an organized, incorporated municipality, going as far as to automatically abolish all the CDPs within a New England town as soon as it incorporates as a city, regardless of whether there are any real-world demographic changes to justify that step. On the other hand, it mostly ignores Puerto Rico’s administrative structure in favor of an ahistoric but more demographically useful place hierarchy of its own. And its Boundary and Annexation Survey is perhaps the leading source of information about Ohio’s paper townships, which exist only on paper.
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