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Every census, survey, and program has technical documentation to assist users with the published statistics. These may include any of the following resources.
Decennial Census Complete Technical Documents
Technical documents are written materials designed to help people use published statistics.
Questionnaire
Decennial Census Questionnaires & Instructions
Learn how the Decennial Census questionnaires have changed through the decades and download questionnaires from each Census decade.
Decennial Census Subject Definitions
Definitions of population, housing and other variables to help you understand the results of a census or survey.
Decennial Census User Notes
Learn more about issues affecting [name of survey/program], including design, collection, production, and release, to be better informed when analyzing stats.
Voting Rights Determination Methodology
Executive summary of the methodology used for calculating the December 5, 2016 release of the Section 203 Determinations.
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