American Community Survey (ACS)

Accuracy of the Data - Archived

These documents provide data users with a basic understanding of the sample design, estimation methodology, and accuracy of the data.

2006 Accuracy [PDF 180k]

2005 Accuracy (PDF Format)

2004 Accuracy (PDF Format)

2003 Accuracy (PDF Format)

2002 Accuracy (PDF Format)

2002 and beyond Change Profile Accuracy (PDF Format)

2000 - 2001 Change Accuracy (PDF Format)

2001 Accuracy - ACS Comparison Test Counties (PDF Format)

2001 Accuracy - 2001 Supplementary Survey (SS01) (PDF Format)

2000 Accuracy - ACS Comparison Test Counties (PDF Format)

2000 Accuracy - Census 2000 Supplementary Survey (C2SS) (PDF Format)

1999 Accuracy (PDF Format)

1998 Accuracy (HTML Format)

1997 Accuracy (HTML Format)

1996 Accuracy (HTML Format)

2 Year Averages (PDF Format)

3 Year Averages (PDF Format)

Percent Changes (PDF Format)

Estimates for 1996-1997 Data Products (PDF Format)

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