American Community Survey (ACS)

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What's New & Notable

Highlights of changes to the 2008 ACS, including new content and products

2008 Data Product Details

Table shells/IDs, maps, geographic areas, and more

        2008 ACS 1-Year Estimates

        2006-2008 ACS 3-Year Estimates

The ACS Compass Products

User-specific handbooks, PowerPoint presentations, and other educational materials

Comparing ACS Data

Guidance on making data comparisons

        2008 ACS 1-Year Estimates

        2006-2008 ACS 3-Year Estimates

Using Multiyear Estimates

Guidance on how to use the new ACS multiyear estimates

Geographic Overview

Details on geographic areas in ACS data products

Media Tool Kit

News releases and general information about the ACS

Questionnaires

Sample ACS questionnaires and instruction guides, and why we ask each question

Subject Definitions

Glossary of all ACS variables

Accuracy of the Data

Information on the sample design, weighting methodology, reliability of the data and more

Errata

Updates made to the data due to detected errors

User Notes

Explanatory information about the data

ACS Design and Methodology

Descriptions of the basic design of the ACS and details of the full set of methods and procedures

Quality Measures

Documentation of specific measures of quality associated with ACS published data