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2020 Census 2030 Census American Community Survey (ACS) American Housing Survey (AHS) Annual Business Survey (ABS) Annual Integrated Economic Survey (AIES) Census of Governments County Business Patterns (CBP) Current Population Survey (CPS) Economic Census Household Pulse Survey International Programs Metro and Micro Areas Population Estimates Population Projections Small Area Income and Poverty Statistics of U.S. Businesses Survey of Income and Program Participation (SIPP)
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Code Lists, Definitions, and Accuracy

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Code Lists, Definitions, and Accuracy

View the detailed codes and definitions for variables, statistical testing, and an explanation of sample design, methodology, and accuracy for the American Community Survey.

2005
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2005

Subject Definitions

Definitions of population and housing variables to help you understand the results of the American Community Survey

pdf 2005 Subject Definitions [<1.0 MB]

Accuracy of the Data

A basic explanation of the sample design, estimation methodology, and accuracy of the data

pdf 2005 Accuracy of the Data (US) [<1.0 MB]

Instructions for Applying Statistical Testing

Basic instructions for obtaining the ACS standard errors needed to do statistical testing

pdf 2005 Instructions for Applying Statistical Testing to ACS 1-year Data [<1.0 MB]

Statistical Testing Tool

Spreadsheet to quickly test whether ACS estimates are statistically different from one another

web Statistical Testing Tool

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Page Last Revised - August 18, 2023
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