Find detailed information and guidance about the 1-year and 3-year data products, including guidance on using multiyear estimates.
The ACS Compass Products are educational materials to help users better understand and appropriately use
ACS data.
Handbooks (released on a flow basis) - user-friendly
information about the ACS targeting specific user groups
PowerPoint Presentations - fully scripted
presentations covering various topics from the ACS basics to understanding ACS multiyear estimates.
Contact the American Community Survey Office by email or by phone at 1-800-923-8282, or visit ask.census.gov for further information on the American Community Survey.
2007 ACS 1-year data and
2005-2007 ACS 3-year data now available in American FactFinder (AFF).
denotes a file in Adobe’s Portable Document Format.
To view the file, you will need the
Adobe® Acrobat® Reader
available free from Adobe.
indicates a link to a non-government web site. Our linking to these sites does not
constitute an endorsement of any products, services or the information found on them.
Once you link to another site you are subject to the policies of the new site.