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Data Dictionary: ACS 2012 (5-Year Estimates) Comparability Data
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Data Source: U.S. Census Bureau
Table: B19125. Median Family Income in the Past 12 Months (In 2012 Inflation-Adjusted Dollars) by Presence of Own Children Under 18 Years [3]
Universe: Universe: Families
Table Details
B19125. Median Family Income in the Past 12 Months (In 2012 Inflation-Adjusted Dollars) by Presence of Own Children Under 18 Years
Universe: Universe: Families
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2008-2012 Summary File: Technical Documentation.
  ACS 2012-5yr Summary File: Technical Documentation -> Appendix A: Supplemental Documentation -> 2008-2012 Subject Definitions -> Population Variables -> Income Type in the Past 12 Months -> Median Income
Median Income
The median divides the income distribution into two equal parts: one-half of the cases falling below the median income and one-half above the median. For households and families, the median income is based on the distribution of the total number of households and families including those with no income. The median income for individuals is based on individuals 15 years old and over with income. Median income for households, families, and individuals is computed on the basis of a standard distribution. (See the "Standard Distributions" section under "Derived Measures.") Median income is rounded to the nearest whole dollar. Median income figures are calculated using linear interpolation. (For more information on medians and interpolation, see "Derived Measures.")

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2008-2012 Summary File: Technical Documentation.
  ACS 2012-5yr Summary File: Technical Documentation -> Appendix A: Supplemental Documentation -> 2008-2012 Subject Definitions -> Population Variables -> Income Type in the Past 12 Months -> Income of Families
Income of Families
In compiling statistics on family income, the incomes of all members 15 years old and over related to the householder are summed and treated as a single amount. Although the family income statistics cover the past 12 months, the characteristics of individuals and the composition of families refer to the time of interview. Thus, the income of the family does not include amounts received by individuals who were members of the family during all or part of the past 12 months if these individuals no longer resided with the family at the time of interview. Similarly, income amounts reported by individuals who did not reside with the family during the past 12 months but who were members of the family at the time of interview are included. However, the composition of most families was the same during the past 12 months as at the time of interview.

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2008-2012 Summary File: Technical Documentation.
  ACS 2012-5yr Summary File: Technical Documentation -> Appendix A: Supplemental Documentation -> 2008-2012 Subject Definitions -> Population Variables -> Household Type and Relationship -> Relationship to Householder -> Own Child
Own Child
A never-married child under 18 years who is a son or daughter by birth, a stepchild, or an adopted child of the householder. In certain tabulations, own children are further classified as living with two parents or with one parent only. Own children of the householder living with two parents are by definition found only in married-couple families. (Note: When used in "EMPLOYMENT STATUS" tabulations, own child refers to a never married child under the age of 18 in a family or a subfamily who is a son or daughter, by birth, marriage, or adoption, of a member of the householder's family, but not necessarily of the householder.)