Table 9-6. Criteria for Qualification of MCDs as Urban Places From 1940 Through 1990
1940 | Towns in Massachusetts, New Hampshire, and Rhode Island containing 2,500 or more inhabitants and having densely settled area(s) comprising 50 percent or more of the population qualified as urban under special rule. In other States, MCDs of 10,000 or more inhabitants and with a density of at least 1,000 people per square mile also qualified as urban under special rule. |
1950 | None |
1960 | Urban towns in New England, and urban townships in New Jersey and Pennsylvania qualified as urban places if they had no incorporated places, and either (1) 25,000 or more inhabitants or (2) 2,500 to 24,999 inhabitants and a density of at least 1,500 people per square mile. |
1970 | None |
1980 | Towns in New England, New York, and Wisconsin, and townships in New Jersey and Pennsylvania qualified as urban places (also called whole-town CDPs) if they had no incorporated places, 1,000 or more inhabitants, and if both 90 percent of the population and 80 percent of the land area met the minimum density requirement for inclusion in a UA. |
1990 | None |
Criteria for Delineation of CDPs in the 1990 Census
The Census Bureau has developed a program whereby local census statistical areas committees, tribal officials, and State-designated agencies identify and delineate boundaries for potential CDPs according to criteria developed by the Census Bureau.
General characteristics
In general, a CDP should be a densely settled and named community or population center that does not have legally defined municipal boundaries or corporate powers. It may not include any portion of an incorporated place. A named subdivision or building complex should not be considered a CDP unless it represents a planned community that offers a range of community facilities and services.
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