[CTPP News] Small Area Data (SAD) and the 2020 census

Its been a busy time for those mining their 2020 census data and seeing the affects of differential privacy (DP). Will DP go down in history as a policy boondoggle and fade away or will it be a pivotal turning point in the opening up of high quality public data? I have my opinions but I need to let the bandwagon go by first... -------------------------------- The Census Bureau estimates that among the 323.2 million people who were living in housing units on April 1, 2020: 94.4% were counted correctly. 2.2% were counted erroneously (1.6% were duplicates and 0.6% were erroneous for other reasons).Mar 10, 2022 https://www.census.gov/newsroom/press-releases/2022/2020-census-estimates-o… The 2020 Census Says Some People Live Underwater. There’s a Reason. https://www.nytimes.com/2022/04/21/us/census-data-privacy-concerns.html Why the Census Invented Nine Fake People in One House The bureau’s zealous efforts to protect Americans’ privacy are doing bizarre things to its data. https://slate.com/technology/2022/03/privacy-census-fake-people.html What’s Wrong with the 2020 Census - Why You Should Care - How to Deal with It https://www.directionsmag.com/article/11270 (or how to create techniques to fix data we made bad in the first place) The Commerce Department official who oversaw the 2000 census explains how minorities got under-counted and white people got over-counted in 2020. https://washingtonmonthly.com/2022/04/14/trumps-handling-of-the-2020-census… People, Homes Vanish Due to 2020 Census' New Privacy Method https://www.usnews.com/news/politics/articles/2021-10-31/people-homes-vanis… The 2020 US Census Differential Privacy Method Introduces Disproportionate Discrepancies for Rural and Non-White Populations https://link.springer.com/article/10.1007/s11113-022-09698-3 -- Ed Christopher Transportation Planning Consultant 708-269-5237