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TIGER includes both land features such as roads, rivers, and lakes, as well as areas such as counties, census tracts, and census blocks. Some of the geographic areas represented in TIGER are political areas, including state and federally recognized tribal lands, cities, counties, congressional districts, and school districts.
With the geocoding process used for U.S. Census TIGER datasets, 5–7.5% of the addresses may be allocated to a different census tract, while a study of Australia's TIGER-like system found that 50% of the geocoded points were mapped to the wrong property parcel. [9]
A census tract, census area, census district or meshblock [1] is a geographic region defined for the purpose of taking a census. [2] Sometimes these coincide with the limits of cities , towns or other administrative areas [ 2 ] and several tracts commonly exist within a county.
A geocode is a code that represents a geographic entity (location or object). It is a unique identifier of the entity, to distinguish it from others in a finite set of geographic entities. In general the geocode is a human-readable and short identifier. Typical geocodes and entities represented by it: Country code and subdivision code. Polygon ...
These codes were used by the U.S. Census Bureau, the Department of Agriculture to form milk-processing plant numbers, some cash registers during check approval, and in the Emergency Alert System (EAS). The FCC assigned additional numeric codes used with the EAS for territorial waters of the U.S., but these were not part of the FIPS standard.
Kusilvak Census Area [b] 02164 Lake and Peninsula Borough [a] 02170 Matanuska-Susitna Borough [a] 02180 Nome Census Area [b] 02185 North Slope Borough [a] 02188 Northwest Arctic Borough [a] 02195 Petersburg Borough [a] [e] 02198 Prince of Wales – Hyder Census Area [b] 02220 Sitka, City and Borough of [a] [f] 02230 Skagway, Municipality of [a ...
(The Center Square) – The U.S. Census Bureau unrolled a new experimental method of using images from space to count new housing construction. "For select areas of interest, Survey of ...
They assign a reasonable location or geographic based attribute (e.g., census tract) to a person by using both the demographic characteristics of the person and the population characteristics from a larger geographic aggregate area in which the person was geocoded (e.g., postal delivery area or county). For example, if a person's census tract ...