From the Governor's Census Liaison:
The US Census Bureau will release data for special populations and American Indian/Alaska Native tribal groups at . The data were collected and generally reported from the 2011-2015 American Community Survey in December 2016. release will allow users to view socioeconomic characteristics (ie educational attainment, income, poverty, etc.) for specific populations and tribes. As an example, currently users may find median household income data for the Asian or the American Indian/Alaska Native population of North Carolina; but users may find data for the Chinese or Cherokee populations. There will be 1,119 available groups. To be included in the release and maintain confidentiality, groups must have met a national population threshold. The data will be available online through the American FactFinder tool – https://factfinder.census.gov .
Some American Indian/Alaska Native tribal groups may not be comparable with data released from previous Census products. A comparison table will and technical information about this release will be available at the American Community Survey (ACS) Race/Ethnicity and American Indian and Alaska Native Documentation site - https://www.census.gov/
programs-surveys/acs/ technical-documentation/race- ethnicity-aian.html .