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Guidance for Data Users

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We have created this page to help you figure out how to use these statistics. The guidance may explain which data sources to use and how to make comparisons. Related sites may offer further information.

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American Community Survey

The most recent data on ancestry come from the American Community Survey (ACS) and can be found on the American FactFinder (AFF).

In the fall of each year, data become available for the prior year. For example, 2010 ACS data became available in the fall of 2011.

The tables that show ancestry on AFF are:

There are also collapsed versions of these tables (C04001 through C04007) which show fewer categories but for smaller geographic areas.

Data on ancestry are available from ACS on AFF for the years 2000 and beyond.

Component ID: #ti62137467

Decennial Census

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