Data Dictionary: ACS 2006 -- 2010 (5-Year Estimates)
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Data Source: Social Explorer; U.S. Census Bureau
Universe: American Indian and Alaska Native Alone Population
Variable Details
T86. Per Capita Income (In 2010 Inflation Adjusted Dollars) (American Indian And Alaska Native Alone)
Universe: American Indian and Alaska Native Alone Population
T086_001Per capita income (In 2010 Inflation adjusted dollars)
Percent base:
None - percentages not computed
Aggregation method:
Division of Sums: variables: Sum(B19313C001) / Sum(T013_004)
Formula used to compute this variable:
Return_Value = ACS10_5yr:B19301C001; if (ACS10_5yr:B19301C001.IsNull) Return_Value.IsNull = true
Variables used in the formula:
People who are American Indian and Alaska Native alone: Per capita income in the past 12 months (in inflation-adjusted dollars)
Relevant Documentation:
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 2006-2010 Summary File: Technical Documentation.
 
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 2010 ACS was derived from the American Indian and Alaska Native Tribal Classification List for Census 2000 and updated from 2002 to 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.