Census differential Privacy Exploration: the change in population for every Congressional district after applying Differential Privacy

How differences in population count could have implications for service provision, allocation of funds, & political representation.

Source: https://www.caliper.com/census-differential-privacy-maps/

The U.S. Census Bureau has changed the way it ensures privacy for the 2020 Census. The new method is called Differential Privacy (DP).

To help people assess some of the implications and unintended consequences of Differential Privacy, Caliper® is providing several maps for public inspection. This map, created with Maptitude®, shows the change in population for every Congressional district after applying Differential Privacy.

The map illustrates that the current 116th Congressional District populations would have been different in many instances, with possible implications for service provision, allocation of funds, and political representation.

Because this method distorts populations for Census Blocks and for all political subdivisions within each State, state legislatures would have drawn different district boundaries had Differential Privacy been used in the 2010 Census.

The non-adjusted PL 94-171 demographics were used for this comparison for consistency with the Differential Privacy 2010 Demonstration Data Product.

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