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Data Dictionary: Census 2000 on 2010 Geographies
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Data Source: U.S. Census Bureau & Social Explorer
Table: P31B. Families (Black Alone Householder) [1]
Universe: Families with a householder who is Black or African American alone
Table Details
P31B. Families (Black Alone Householder)
Universe: Families with a householder who is Black or African American alone
Variable Label
RC2000SF1_009_P031B001
Total
Relevant Documentation:
Excerpt from: Social Explorer, U.S. Census Bureau; 2000 Census of Population and Housing, Summary File 1: Technical Documentation, 2001.
  Summary File 1 Technical Documentation -> Appendix B. Definitons of Subject Characteristics -> Population Characteristics -> Household Type and Relationship -> Family Type
Family Type
A family includes a householder and one or more other people living in the same household who are related to the householder by birth, marriage, or adoption. All people in a household who are related to the householder are regarded as members of his or her family. A household can contain only one family for purposes of census tabulations. Not all households contain families since a household may be a group of unrelated people or one person living alone.

Families are classified by type as either a "married-couple family" or an "other family" according to the presence of a spouse. "Other family" is further broken out according to the sex of the householder. The data on family type are based on answers to questions on sex and relationship that were asked on a 100-percent basis.

Married-couple family
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A family in which the householder and his or her spouse are enumerated as members of the same household.

Other family
Male householder, no wife present
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A family with a male householder and no spouse of the householder present.

Female householder, no husband present
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A family with a female householder and no spouse of the householder present.

Nonfamily household
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A householder living alone or with nonrelatives only.

Excerpt from: Social Explorer, U.S. Census Bureau; 2000 Census of Population and Housing, Summary File 1: Technical Documentation, 2001.
  Summary File 1 Technical Documentation -> Appendix B. Definitons of Subject Characteristics -> Population Characteristics -> Race -> Black or African American
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 provide written entries such as African American, Afro American, Kenyan, Nigerian, or Haitian.