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Today the U.S. Census Bureau released the 2010 Census American Indian and Alaska Native Summary File. This summary file provides statistics for the largest number of American Indian and Alaska Native groups of any Census Bureau data product. For the first time, the summary file includes detailed information on individual Central American, South American and Mexican American indigenous groups.

The summary file provides statistics such as age, sex, household relationship and homeownership for more than 1,500 groups that include American Indian and Alaska Native tribal groupings, specific American Indian tribes and specific Alaska Native villages, with a population of at least 100 at the national level.

The 2010 Census American Indian and Alaska Native Summary File is available for states, counties, county subdivisions, places, census tracts, ZIP Code tabulation areas, congressional districts for the 111th Congress, metropolitan areas, American Indian and Alaska Native areas, tribal subdivisions and Hawaiian home lands.

To preserve confidentiality, only geographic entities with a population of at least 100 for the specified group are available in the summary file.

Accessing the Information

The 2010 Census American Indian and Alaska Native Summary File tables can be found on the Census Bureau’s American FactFinder website by using the “Topics” filter to select the dataset “2010 American Indian and Alaska Native SF.” Next, use the “Race and Ethnic Groups” filter to select the American Indian and Alaska Native tribal groupings, specific American Indian tribes, or specific Alaska Native villages of interest. While a variety of tables will be available, a good place to start is the Profile of General Population and Housing Characteristics, which shows a summary of characteristics for one geographic area at a time.

A summary file version of the information is also available for users who want to download the set of detailed tables for all geographies and run their own analysis and rankings. The summary file contains two parts: a file with the geographic headers (in fixed-length ASCII format) and a file with the statistical information (in comma-separated ASCII format). The summary file is available for download on the FTP site.