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2020 Census 2030 Census American Community Survey (ACS) American Housing Survey (AHS) Annual Business Survey (ABS) Annual Survey of Manufactures (ASM) Census of Governments County Business Patterns (CBP) Current Population Survey (CPS) Economic Census International Programs Metro and Micro Areas Population Estimates Population Projections Small Area Income and Poverty Statistics of U.S. Businesses Survey of Business Owners Survey of Income and Program Participation (SIPP)
View all library resources Glossary
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1990 Decennial (SF1) Block Groups Temporarily Decommissioned

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1990 Decennial (SF1) Block Groups Temporarily Decommissioned

The U.S. Census Bureau identified a problem with tract numbers within the block group summary level in the 1990 Decennial SF1 API endpoint. The tract listed with the block group was sometimes incorrect. This resulted in some data being placed in the incorrect tract within the block. The U.S. Census Bureau has removed all of the block group data that was available for this endpoint. Data for tracts were processed correctly. We hope to correct this error and publish the API with block groups in the future.

Please contact us via email at cedsci.feedback@census.gov with any questions.

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