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ACS Summary File
The American Community Survey (ACS) Summary File is a unique data product that includes all estimates and margins of error (MOE) from the Detailed Tables for all geographies published for the ACS. The ACS Summary File allows data users to download statistics for a large number of tables and geographic areas.
Table-Based Format
For the 2018 data release, the Census Bureau tested a new, Table-Based Format for the ACS Summary File. In this format, a file is posted for each table containing both the estimates and MOE for all available geographies. Data users only need to merge in geography labels to create complete tables.
Starting with the 2022 data release, the Table-Based Format is the only format available. Check out the Getting Started and data year tabs below for information and resources. The resources include instructions for merging the geography labels with each table via Excel or programs like SAS and Python. Information about the original Sequence-Based Format (available for data years 2005 through 2021) is available on the ACS Summary File Sequence-Based Format page.
2019
2019 ACS 1-year Estimates
2019 ACS 5-year Estimates
Geography Files
Table Shells
Page Last Revised - October 31, 2024
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