Census 2020 Differential Privacy
Learn about the changes to the 2020 Census with the implementation of differential privacy.
Differential Privacy Resources
Understand the implications of differential privacy for the 2020 Census. Access apps, articles, and comprehensive resources to learn how modernized data privacy can affect your work.
Enhancing privacy protections for the 2020 Census
The US Census Bureau has always carried out privacy protections in the form of top-coding, swapping, and suppressing data, but these protections have been minimal.
With the 2020 Census, the Census Bureau is modernizing and strengthening how it protects privacy in the statistics it releases. A newer protection framework applies algorithms to modify the statistics of the data. This added "noise" protects your data while still yielding accurate results when aggregated.
Apps
Explore an introduction to differential privacy, a dashboard to help you compare data for your community, and a narrative map of census tract population counts.
What is Differential Privacy? How will it affect our work?
What is Differential Privacy? How will it affect our work?
Access a synthesis of differential privacy for the 2020 Census and learn about its implications.
Compare Places dashboard
Compare Places dashboard
Compare the 2010 place level Summary File 1 (SF1) dataset against 2010 place level differentially private data.
April Demonstration Census Data
April Demonstration Census Data
Explore 2020 census tract population counts in this narrative map.
Understand how differential privacy affects census data
Using the latest demonstration data from the Census Bureau, you can create a web map comparing published 2010 Census data to 2010 Census data with differential privacy applied.
Additional resources
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US Census Bureau's resources on the 2020 DAS
Explore the US Census Bureau's resources on the new disclosure avoidance system (DAS), which is designed to protect 2020 Census data. -
US Census Bureau's disclosure avoidance ebook
This ebook details disclosure avoidance for 2020 Census redistricting data—how it works, how it affects 2020 Census results, and more. -
How Census 2020 differential privacy impacts you
Esri has published the US Census Bureau's 2010 demonstration data products as feature layers to better facilitate public analysis of data. -
Differential Privacy—What GIS Users Need to Know
In this discussion, speakers detail the evolving approach to differential privacy and how users can successfully work with 2020 Census data.
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