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…
Census Data and Geography, DATA and TECHNOLOGY, FEATURES, LATEST, Redistricting, Redistricting Functions, ,
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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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Maine: Review of Litigation in the 2010 Redistricting Cycle

Maine: Review of Litigation in the 2010 Redistricting Cycle

By EditorMar 17, 2021
Desena v. Maine, No. 1:11-cv-117 (D. Me.) A 1975 amendment to the state constitution required Maine to reapportion its districts every 10 years, starting in 1983. After the 2010 census data was completed, Maine’s two congressional districts saw an increased population differential. Instead of having a gap of 23 residents between the two congressional districts as was the case after the previous redistricting cycle, these two districts varied by 8,669 residents. Plaintiffs, who were residents of the larger district, sued the state on March 28, 2011, alleging that the plan from 2003, which was in effect for the 2012 election…
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NCSL Overview: Reallocating Incarcerated Persons for Redistricting

NCSL Overview: Reallocating Incarcerated Persons for Redistricting

By EditorMar 17, 2021
In this recent article, the National Conference of State Legislatures gives an overview of the fairly recent practice of prisoner reallocation in redistricting. This process refers to counting prisoners at their home address for redistricting purposes instead of the prison's address - which is what the census does. Prisoner reallocation involves obtaining records from prison officials and careful adjustment of official census data files. This overview explains the practice and how it relates to representation. Since this article was first published, Illinois became the tenth state to mandate prisoner reallocation beginning in 2030. Feb. 18, 2021: States redistrict their legislative…
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Understanding the Iowa Model for Redistricting

Understanding the Iowa Model for Redistricting

By EditorMar 10, 2021
The "Iowa Model" for redistricting is perhaps the least understood state procedure for redistricting. Iowa is often lauded as the nonpartisan ideal for redrawing boundaries, but in reality, nonpartisan staff draw maps that are advisory in nature and the legislature may direct staff to make changes. Ultimately the legislature can amend the map or simply draw its own. The process however is strictly nonpartisan in the sense that no political data is used in drawing maps and since the statute establishing the process was enacted in 1980, the state legislature has adopted maps drawn by staff. Below is the National…
Enacting a Redistricting Map, FEATURES, Redistricting, Redistricting Criteria, ,
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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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Listen: Census Bureau Official and NCSL Director Discuss Redistricting Data Quality and Delays

Listen: Census Bureau Official and NCSL Director Discuss Redistricting Data Quality and Delays

By EditorMar 07, 2021
In this "Our American States" podcast hosted by the National Conference of State Legislatures (NCSL) James Whitehorne, chief of the Redistricting and Voting Rights Data Office at U.S. Census Bureau, and Wendy Underhill, who oversees the Elections and Redistricting Program at NCSL discuss how the pandemic affected the bureau’s ability to collect data, and how states are responding to the six-month delay for redistricting data. Podcast https://redistrictingonline.org/wp-content/uploads/2021/03/OAS_Episode_124.mp3 For more podcasts visit the Our American States Podcast Page at NCSL.org
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