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View All Topics and Subtopics Index A to Z

Age and Sex Business and Economy Education Emergency Management / Disasters Employment Families and Living Arrangements Geography Health Hispanic Origin Housing Income and Poverty International Trade Migration/Geographic Mobility Population Population Estimates Public Sector Race Redistricting Research Voting and Registration

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Census Academy Combining Data Data Tools and Apps Datasets Developers Experimental Data Products Interactive Maps Mapping Files Profiles Related Sites Software Tables Training and Workshops Visualizations

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2020 Census 2026 Census Test 2030 Census American Community Survey (ACS) American Housing Survey (AHS) Annual Business Survey (ABS) Annual Integrated Economic Survey (AIES) County Business Patterns (CBP) Current Population Survey (CPS) Economic Census Household Pulse Survey International Programs Metro and Micro Areas Population Estimates Population Projections Small Area Income and Poverty Statistics of U.S. Businesses Survey of Income and Program Participation (SIPP)

View all library resources Glossary

America Counts: Stories Audio Blogs By the Numbers Facts for Features Fact Sheets Infographics and Visualizations Photos Publications Spotlights Stats for Stories Training (Census Academy) Videos Working Papers

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Technical Documentation

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Technical Documentation

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Technical Documentation

Technical Documentation

Every census, survey, and program has technical documentation to assist users with the published statistics. Technical documentation on race featured on this page is from the American Community Survey (ACS) website. The following additional resources may be of assistance to users working with race data.

Overlapping Race and Ancestry Estimates

Beginning with the 2024 ACS data products, groups such as Irish, Lebanese, Haitian, and Brazilian will be available in race and ancestry tabulations.
Population Profiles Using Race and Ancestry

Profiles of Selected Populations Based on Ancestry Data and Newly Collected Detailed Race Data from the 2022 American Community Survey.
Technical Documentation

Find information supporting the ACS data, including documentation for code lists, subject definitions, user notes, errata notes, PUMS, and Summary File.