Saturday, August 16, 2014

Understanding Geographic Relationships: Geographic Summary Levels

"The third installment of our geographic relationships series discusses geographic summary levels and how American FactFinder uses them to provide tabulated data.

To protect individual privacy, the Census Bureau provides summaries of data for geographic areas. For example, you cannot find the median household income for a particular house, but you can find the median household income for the census tract or county for where that house is located. Each summary level, identified by a unique three-digit number, represents a different geographic entity for which the Census Bureau summarizes data..."

Geographic summary levels

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