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Partners Researchers Educators Survey Respondents

News NAICS Codes Jobs About Us Contact Us Help

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

Explore data on data.census.gov View all data resources

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

Survey Help View all Surveys & Programs

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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2020 Table & Geography Changes

2020 Table & Geography Changes

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Within Technical Documentation

Code Lists, Definitions, and Accuracy
Data Release Rules
Errata Notes
Table & Geography Changes
Table Shells and Table List
User Notes

Within Technical Documentation

Code Lists, Definitions, and Accuracy
Data Release Rules
Errata Notes
Table & Geography Changes
Table Shells and Table List
User Notes

2020 Table & Geography Changes

Table Changes

2020 ACS 1-year Estimates
2016-2020 ACS 5-year Estimates

Geography Changes

2020 Geography Changes

View the various changes to Census geography this year, as well as information about geographic comparability and available vintages.