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ZCTAs or ZIP Code Tabulation Areas are the census equivalent of ZIP codes used for statistical purposes. The reason why regular ZIP codes are not used is because they are defined by routes rather than geographic boundaries. Thus, they have the tendency to overlap and otherwise create difficulties.
U.S. ZIP codes. ZIP codes 006XX for NW PR, 007XX for SE PR, in which XX designates the town or post office and 009XX for the San Juan Metropolitan Area, in which XX designates the area or borough of San Juan. The last four digits identify an area within the post office.
China Post uses a six-digit all-numerical system with four tiers: the first tier, composed of the first two digits, show the province, province-equivalent municipality, or autonomous region; the second tier, composed of the third digit, shows the postal zone within the province, municipality or autonomous region; the fourth digit serves as the ...
According to EIG, which uses US Census Bureau data to sort districts by economic well-being, roughly 52 million Americans live in a "distressed" zip code. That's up from 50 million in 2018 .
ZCTAs are generalized area representations of the United States Postal Service (USPS) ZIP code service areas, but are not the same as ZIP codes. Individual USPS ZIP codes can cross state, place, county, census tract, census block group and census block boundaries, so the Census Bureau asserts that "there is no correlation between ZIP codes and ...
There are generally two widely accepted versions of a postal code: a ZIP code and a ZIP + 4 code. Established in 1963, ZIP codes are the most common and recognizable postal code used by the USPS.
Cities considered to have significant Chinese-American populations are large U.S. cities or municipalities with a critical mass of at least 1% of the total urban population; medium-sized cities with a critical mass of at least 1% of their total population; and small cities with a critical mass of at least 10% of the total population.
China's National Bureau of Statistics will conduct a nationwide sample survey in November to help better plan population policies, in an unexpected poll as authorities struggle to boost the ...