Wednesday, April 18 • 3:10pm - 3:40pm
2020 Census Tabulation Blocks: How the Census Bureau Delineates Them and How They Related to Other Geographic Boundaries

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For each decennial Census, the U.S. Census Bureau delineates new Census tabulation blocks. Census Blocks are the smallest geographic unit used by the Census Bureau for tabulating decennial census data. The Census Bureau will delineate the 2020 Census Blocks in mid-2020. This presentation will explain how the Census Bureau determines what visible features (such as roads, streams, railroads and transmission lines), and non-visible features (including city, township, school district, and county boundaries) are used to bound the new blocks. The presentation will also highlight the importance of feature and boundary accuracy in its Master Address File/Topological Integrated Geographic Encoding and Referencing (MAF/TIGER) System for delineating blocks, and how local and state governments can influence block delineation by providing accurate boundary and feature information.


Colleen Joyce

Assistant Chief, Census Redistricting & Voting Rights Data Office, Decennial Census Programs Directorate, U.S. Census Bureau

Wednesday April 18, 2018 3:10pm - 3:40pm
Helena Room