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ZIP codes are not truly areas, but rather a group of deliverable addresses. [2] Some or all of an existing ZIP code's addresses may be reassigned to a new ZIP if there is sufficient growth within a given postal ZIP Code. As many as 3% of ZIP codes undergo change each quarter. Thus, the 5-digit ZCTAs are of limited value in areas of growth or ...
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.
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 Census Bureau geography". [2] Moreover, the USPS frequently realigns, merges, or splits ZIP codes to meet changing needs.
Where are the most expensive ZIP codes in the United States? Home Bay ranked the 10 most expensive U.S. ZIP codes and findings revealed seven ZIP codes are in California. Read: 5 Expensive ...
The shapefile format is a digital vector storage format for storing geographic location and associated attribute information. This format lacks the capacity to store topological information. The shapefile format was introduced with ArcView GIS version 2 in the early 1990s. It is now possible to read and write geographical datasets using the ...
Download as PDF; Printable version; ... ZIP code: 92273. Area codes: 442/760: FIPS code: ... to Alta California. On December 11 to 15, 1775, the three divisions of ...
The GAUL always maintains global geographic layers (in shapefile format) with a unified coding system at the levels of country, first administrative (e.g. regions), and second administrative (e.g. districts). In addition, when data is available, it provides layers on a country-by-country basis down to third, fourth and lower levels.
There were 1,414 households, out of which 53.8% had children under the age of 18 living with them, 62.8% were married couples living together, 16.9% had a female householder with no husband present, and 13.9% were non-families. 11.2% of all households were made up of individuals, and 6.2% had someone living alone who was 65 years of age or ...