Frequently Asked Questions

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Where can I get block group level estimates for the American Community Survey (ACS)?

Starting with the 2009-2013 American Community Survey (ACS) 5-year data release, block group estimates are available in American FactFinder. All years of block group level estimates are also available in the ACS Summary File 5-year datasets.  Learn more about the ACS Summary File on the ACS website.  Block group data is not available in the ACS 1-year or 3-year datasets.


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