Study: Census Bureau’s Differential Privacy Disclosure Avoidance System Produces Concerning Results for Local Jurisdictions

Study: Census Bureau’s Differential Privacy Disclosure Avoidance System Produces Concerning Results for Local Jurisdictions

By EditorMar 31, 2021
Recent research into the effect of differential privacy (DP) on Alaska's census data show concerning results, especially for small area geographies such as townships, municipalities and other local jurisdictions. The authors of the study, a summary of which is posted in the blog for the Population Association of America, warn that local redistricting and other activities connected to census data could be substantially impacted by the Census Bureau's application of differential privacy on raw census data. The authors of the study, David Swanson, Professor Emeritus, Sociology at the University of California - Riverside, T.M. Bryan of Bryan Demographic Research, Richmond,…
Census Data and Geography, DATA and TECHNOLOGY, Local Redistricting, NEWS, Redistricting, , ,
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California Redistricting Commission Gets Confirmation it Can Use Early Census “Legacy Format” Data

California Redistricting Commission Gets Confirmation it Can Use Early Census “Legacy Format” Data

By EditorMar 29, 2021
In a letter to the state's independent redistricting commission, Karin Mac Donald, the director of the California Statewide Database program, (SWDB) confirmed that the SWDB has the technical capabilities to process the legacy format files that the U.S. Census Bureau plans to release ahead of the final redistricting data files scheduled to be released by Sept 30. According to the Census Bureau, the data contained in the legacy file and the final file will be identical. Earlier this month, the bureau indicated that despite the six-month delay in delivering redistricting data to the states, it would be possible to release…
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Interactive Historical Apportionment Map Released by U.S. Census Bureau

Interactive Historical Apportionment Map Released by U.S. Census Bureau

By EditorMar 22, 2021
You can now view the results of every apportionment since 1910 in this new interactive map from the U.S. Census Bureau. The map displays the change in the number of U.S. House seats for each state in each decade, the percent change in population, and population density for each state. U.S. Census Bureau March 22, 2021: Interactive Apportionment Map Now Available The U.S. Census Bureau launched a new online map today ahead of the 2020 Census apportionment results release. The “Historical Apportionment Data Map” currently displays apportionment results for each census from 1910 to 2010. 2020 Census apportionment results will…
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This Online Map Tool Identifies the Impact of Census Data Delays in Every State

This Online Map Tool Identifies the Impact of Census Data Delays in Every State

By Michelle DavisMar 19, 2021
Use this super handy map of the U.S. to browse which states are in the most trouble when it comes to delayed census redistricting data. Developed by the Electoral Innovation Lab at the Princeton Gerrymandering Project, this interactive map helps us to easily identify at least 11 states in the hot seat as of today. State staffers who would like to monitor possible responses to the data delay can use this map to identify similarly situated states. The lab plans to update the map as states make adjustments to their timelines or if the census timeline changes. From the Princeton…
Census Data and Geography, DATA and TECHNOLOGY, FEATURES, LATEST, Redistricting, Redistricting Prep,
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How the Census Bureau Plans to Ensure an Accurate Census Group Quarters Count Despite Covid-19

How the Census Bureau Plans to Ensure an Accurate Census Group Quarters Count Despite Covid-19

By EditorMar 16, 2021
In this latest post from the Random Samplings Blog, Deborah Stempowski, Asst. Director for Decennial Census Programs, Operations and Schedule Mgmt, and James Christy, Asst. Director for Field Operations discuss the impact of Covid-19 on Group Quarters Data and how the Bureau has adjusted its post-data collection operations to ensure the accuracy of counts in colleges, group homes, prisons, and other group housing. Read the post below. 2020 Census Group Quarters: As we continue processing 2020 Census results, we’d like to provide more information on how we count people living in group quarters (GQs), such as nursing homes, military barracks…
Census Data and Geography, DATA and TECHNOLOGY, Redistricting,
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U.S. Census Bureau Suggests Possibility of Redistricting Data in August, but with a catch.

U.S. Census Bureau Suggests Possibility of Redistricting Data in August, but with a catch.

By Michelle DavisMar 16, 2021
In a recent court filing and press release, the U.S. Census Bureau appears to be open to the possibility of delivering untabulated data by mid to late August to requesting states if they take the responsibility for reporting the data accurately. In its litigation in federal court in Ohio, which sued the Bureau for missing its statutory deadline to provide redistricting data to states - the Bureau filed a declaration explaining in detail its operational limitations for delivering the data files before the Sept 30 deadline it announced weeks ago. In doing so, it acknowledged that it was physically possible…
Census Data and Geography, DATA and TECHNOLOGY, LATEST, Redistricting,
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Census Bureau Director’s Blog Post: “Anomalies” in Data are Not as Scary as they Sound

Census Bureau Director’s Blog Post: “Anomalies” in Data are Not as Scary as they Sound

By EditorMar 09, 2021
Michael Thieme, Assistant Director for Decennial Census Programs discusses the back-office processing of census data "anomalies" and what that really means. The article, by Thieme's admission, is meant to address the confusion surrounding the term and explain that anomalies are "a signal that the quality checks on the census are working." He gives a detailed and informative look at just what anomalies really are and how the Census Bureau addresses them, including the various categories of anomalies. Thieme also assures readers that "we have not found any anomalies that are impossible to fix." Read the blog entry here.
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Watch: Census Bureau Briefs States On Redistricting Data Delivery Delay

Watch: Census Bureau Briefs States On Redistricting Data Delivery Delay

By EditorMar 09, 2021
Watch this virtual briefing by the bureau last week on what exactly is taking so long with the redistricting data that states need to complete maps. Redistricting data will be delayed at least six months until Sep. 30. James Whitehorne, Chief of the Census Redistricting & Voting Rights Data Office at the Census Bureau, briefed state officials during this meeting hosted by the National Conference of State Legislatures. The meeting begins with a short update on the status of H.R. 1, a sweeping election reform bill currently moving through Congress that would impose dramatic structural changes to the congressional redistricting…
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PlanScore Announces Online Redistricting App for Measuring Partisan Bias

PlanScore Announces Online Redistricting App for Measuring Partisan Bias

By EditorMar 07, 2021
As the push for more transparency and less partisanship in redistricting intensifies, PlanScore aims to be "a trusted, non-partisan resource for the redistricting efforts to come in the 2020 cycle." The nonprofit organization formed by top legal, academic, and technical experts in the field, will do this by offering an online diagnostic tool for redistricting maps. The Online App The online service will assist legislative staff and the general public by allowing any geographic file uploaded by site visitors to be checked for its partisan, demographic, racial, and geometric features. The analysis gives plan-wide scores for several statistical measures that…
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