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ZIP Code Tabulation Area. ZIP Code Tabulation Areas (ZCTAs) are statistical entities developed by the United States Census Bureau for tabulating summary statistics. These were introduced with the Census 2000 and continued with the 2010 Census and 5 year American Community Survey [1] datasets. They were updated again for the 2020 census.
Others are statistical areas, including Metropolitan Statistical Areas (MSA), census tracts, census block groups, and census blocks. ZIP Code Tabulation Areas (ZCTA) are quasi-statistical areas which attempt to approximate, but do not exactly match, the delivery areas of USPS ZIP codes. [1] ZIP codes are not truly areas, but rather a group of ...
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 Census County Division (CCD) is a subdivision of a county used by the United States Census Bureau for the purpose of presenting statistical data. A CCD is a relatively permanent statistical area delineated cooperatively by the Census Bureau and state and local government authorities. CCDs are defined in 21 states that do not have well-defined ...
An enlargeable map of the 124 combined statistical areas (CSAs) of the United States as of 2006. A core-based statistical area (CBSA) is a U.S. geographic area defined by the Office of Management and Budget (OMB). It contains a large population nucleus, or urban area, and adjacent communities that have a high degree of integration with that ...
A Public Use Microdata Area (PUMA) is a geographic unit used by the US Census for providing statistical and demographic information. Each PUMA contains at least 100,000 people. PUMAs do not overlap, and are contained within a single state. PUMAs were first created for the 1990 Census. [1]
The five-digit codes of FIPS 6-4 used the two digit FIPS state code (FIPS Publication 5-2, also withdrawn on September 2, 2008), followed by the three digits of the county code within the state or possession. County FIPS codes in the United States are usually (with a few exceptions) in the same sequence as alphabetized county names within a state.
An enlargeable map of the 3,143 counties and county equivalents located in the 50 U.S. states and Washington, D.C. as of 2020. The 100 county equivalents in the U.S. territories are not on this map. There are 3,244 counties and county equivalents in the United States.