Descriptions of the basic design of the ACS and details of the full set of methods and procedures.
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).
Our site is undergoing new and exciting changes. Please check again as we move from this modest look to an expanded face for the American Community Survey. To receive periodic updates, please subscribe to the ACS Alert.