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Data Dictionary: ACS 2013 (3-Year Estimates)
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Data Source: Social Explorer; U.S. Census Bureau
Universe: American Indian and Alaska Native Alone Population
Variable Details
T97. Per Capita Income (In 2013 Inflation Adjusted Dollars) (American Indian and Alaska Native Alone)
Universe: American Indian and Alaska Native Alone Population
T097_001Per Capita Income (In 2013 Inflation Adjusted Dollars)
Percent base:
None - percentages not computed
Aggregation method:
Division of Sums: variables: Sum(B19313C001) / Sum(T019_004)
Formula used to compute this variable:
Return_Value = ACS2013_3yr:B19301C001; if (ACS2013_3yr:B19301C001.IsNull) Return_Value.IsNull = true
Variables used in the formula:
ACS2013_3yr:B19301C001
People Who Are American Indian and Alaska Native Alone: Per Capita Income in the Past 12 Months (In 2013 Inflation-Adjusted Dollars)
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2013 3yr Summary File: Technical Documentation.
  ACS 2013-3yr Summary File: Technical Documentation -> Appendix A: Supplemental Documentation -> 2013 Subject Definitions -> Population Variables -> Income Type in the Past 12 Months -> Per Capita Income
Per Capita Income
Per capita income is the mean income computed for every man, woman, and child in a particular group including those living in group quarters. It is derived by dividing the aggregate income of a particular group by the total population in that group. (The aggregate used to calculate per capita income is rounded. For more information, see "Aggregate" under "Derived Measures.") Per capita income is rounded to the nearest whole dollar. (For more information on means, see "Derived Measures.")

Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2013 3yr Summary File: Technical Documentation.
  ACS 2013-3yr Summary File: Technical Documentation -> Appendix A: Supplemental Documentation -> 2013 Subject Definitions -> Population Variables -> Race -> American Indian or Alaska Native
American Indian or Alaska Native
A person having origins in any of the original peoples of North and South America (including Central America) and who maintains tribal affiliation or community attachment. This category includes people who indicate their race as "American Indian or Alaska Native" or report entries such as Navajo, Blackfeet, Inupiat, Yup'ik, or Central American Indian groups, or South American Indian groups.

Respondents who identified themselves as "American Indian or Alaska Native" were asked to report their enrolled or principal tribe. Therefore, tribal data in tabulations reflect the written entries reported on the questionnaires. Some of the entries (for example, Metlakatla Indian Community and Umatilla) represent reservations or a confederation of tribes on a reservation. The information on tribe is based on self-identification and, therefore, does not reflect any designation of federally or state-recognized tribe. The information for the 2013 ACS Detail Race tables were derived from the American Indian and Alaska Native Tribal Classification List for the 2010 Census, which was updated through 2009 based on the annual Federal Register notice entitled "Indian Entities Recognized and Eligible to Receive Services From the United States Bureau of Indian Affairs," Department of the Interior, Bureau of Indian Affairs, issued by OMB, and through consultation with American Indian and Alaska Native communities and leaders.

The American Indian categories shown in the 2013 ACS Detailed Race tables represent tribal groupings, which refer to the combining of individual American Indian tribes, such as Fort Sill Apache, Mescalero Apache, and San Carlos Apache, into the general Apache tribal grouping.

The Alaska Native categories shown in the 2013 ACS Detailed Race tables represent tribal groupings, which refer to the combining of individual Alaska Native tribes, such as King Salmon Tribe, Native Village of Kanatak, and Sun'aq Tribe of Kodiak, into the general Aleut tribal grouping.

All Other American Indian Tribes (with only one tribe reported)
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Includes respondents who provide a response of another American Indian tribe not shown
separately, such as Abenaki, Catawba, Eastern Tribes, Kickapoo, Mattaponi, Quapaw, Shawnee, or Yuchi.

American Indian Tribes, not specified
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Includes people who provide a generic term such as "American Indian" or tribal groupings not elsewhere classified.

Alaska Native Tribes, not specified
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Includes people who provide a generic term such as "Alaska Indian" or "Alaska Native" or tribal groupings not elsewhere classified.

American Indian Tribes or Alaska Native Tribes, not specified
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Includes respondents who checked the American Indian or Alaska Native response category on the ACS questionnaire and did not write in a specific group or wrote in a generic term such as "American Indian or Alaska Native."

Two or more American Indian or Alaska Native Tribes
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Includes respondents who provided multiple American Indian or Alaska Native Tribes responses such as Blackfeet and Pueblo; or Alaskan Athabascan and Tlingit-Haida; or Paiute and Aleut.