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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. In unincorporated areas of the United States these are often arbitrary ...
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.
TIGER logo. Topologically Integrated Geographic Encoding and Referencing, or TIGER, or TIGER/Line is a format used by the United States Census Bureau to describe physical and cultural features such as roads, highways, city limits, rivers, and lakes, as well as areas such as census tracts. TIGER was developed to support and improve the Bureau's ...
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]
A census-designated place (CDP) [1] [2] [3] is a concentration of population defined by the United States Census Bureau for statistical purposes only.. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, [4] such as self-governing cities, towns, and villages, for the purposes of gathering and correlating statistical data.
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 ...
A census block is the smallest geographic unit used by the United States Census Bureau for tabulation of 100-percent data (data collected from all houses, rather than a sample of houses). The number of blocks in the United States , including Puerto Rico and other island areas, for the 2020 Census was 8,180,866.