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DATA GEMS: Measuring Race and Ethnicity Across the Decades from 1790 to 2010

Discover how race and ethnicity data were collected for each Census year since 1790 through this historical overview infographic. Across decades, the U.S. Census Bureau has been collecting these data in accordance with guidelines provided by the U.S. Office of Management and Budget (OMB). Data on race and ethnicity are derived from answers to the questions on race and hispanic origin based on self-identification.

Data Gems

A series of "how-to" videos available for data users who are looking for an easy and quick way to enhance their knowledge of Census data.

They will introduce you to various concepts and techniques to improve your ability to navigate our website and use our data-access tools.

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