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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.

2020
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2020

Code Lists, Definitions, and Accuracy

Due to the impact of the COVID-19 pandemic, the Census Bureau is changing the 2020 American Community Survey (ACS) release. Instead of providing the standard 1-year data products, the Census Bureau will release a series of experimental estimates from the 1-year data. Review the link below to be directed to the ACS Experimental Estimates.

Code Lists

Detailed codes for variables that contain a large number of coded responses, such as ancestry and occupation. New for 2020: Hispanic Origin and Race Code List in Excel format

Subject Definitions

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

Group Quarters Definitions

Definitions for classifying group living situations according to the type of housing and/or services provided

Comparison Guidance

Learn more about comparing the ACS with the Census and 5-year to 5-year estimates. Coming November 2021.

Table Shells and Table List

Learn more about the layout of the tables and information about tables

Instructions for Applying Statistical Testing

Basic instructions for obtaining the ACS standard errors needed to do manual statistical testing. Coming November 2021.

Worked Examples for Approximating Margins of Error

Worked Examples on approximating standard errors for various types of ACS estimates. Coming November 2021.

Statistical Testing Tool

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

Accuracy of the Data

A basic explanation of the sample design, estimation methodology, and accuracy of the data. Coming November 2021.

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