Data Dictionary: ACS 2012 (1-Year Estimates)
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Data Source: U.S. Census Bureau
Table: B19313B. Aggregate Income In The Past 12 Months (In 2012 Inflation-Adjusted Dollars) For The Population 15 Years And Over (Black Or African American Alone) [1]
Universe: Universe: Black or African American alone population 15 years and over
Table Details
B19313B. Aggregate Income In The Past 12 Months (In 2012 Inflation-Adjusted Dollars) For The Population 15 Years And Over (Black Or African American Alone)
Universe: Universe: Black or African American alone population 15 years and over
Relevant Documentation:
Aggregate Income
Aggregate income is the sum of all incomes for a particular universe. Aggregate income is subject to rounding, which means that all cells in a matrix are rounded to the nearest hundred dollars. (For more information, see "Aggregate" under "Derived Measures.")

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2012 Summary File: Technical Documentation.
 
Black or African American
A person having origins in any of the Black racial groups of Africa. It includes people who indicate their race as "Black, African Am., or Negro" or report entries such as African American, Kenyan, Nigerian, or Haitian.