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Using the American Community Survey Summary File: What Data Users Need to Know

The American Community Survey (ACS) Table-Based Summary File is less complex and improves ease of use. This format groups estimates and margins of error into one file by table ID for all Detailed Tables and all geographies available. Data users with programming skills and access to statistical software can use the Summary File to download and analyze ACS data for a wide range of geographic areas.

This guide provides an overview of the ACS Table-Based Summary File and how it can be used to access data on America’s communities. Data users using the original Sequence-Based Summary File format can find this documentation and handbook on the ACS Summary File Sequence-Based Format webpage.

Page Last Revised - October 27, 2023
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