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Errata Notes

Learn more about errors and/or corrections related to the American Community Survey. The notes are sorted by data collection year(s). If the errata note pertains to multiple years, the note will appear in the tab for each year.


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Errata Note
Tabulation Processing Error in Table S0201 Iterated for China, Excluding Hong Kong and Taiwan for 2007 to 2022 ACS 1-Year
Errata Note 141


Errata Note
Relationship to Householder in the 2018-2022 ACS 5-Year Comparison Profile
Errata Note 140


Errata Note
Data Processing Error for Certain Geographic Relationships in the Louisville/Jefferson County, KY-IN Metropolitan Area
Errata Note 139


Errata Note
Data Coding Error for Spanish and Spanish American Hispanic Origin Groups in 2021
Errata Note 138


Errata Note
Data Processing Error for Weeks Worked in 2019, 2020, and 2021 ACS
Errata Note 137


Errata Note
Data Collection Error Affecting Veteran Period of Service in Puerto Rico for 2020 and 2021 ACS
Errata Note 136


Errata Note
Tabulation Processing Error in Table S0506 for 2017 to 2021 ACS
Errata Note 134


Errata Note
Tabulation Processing Error in Tables S0201 and S0201PR Iterated for Americas, Latin America, and Caribbean for 2017 to 2021 ACS 1-Year
Errata Note 135


Errata Note
Processing Error Impacting MRGP for 2021 and 2022 ACS 1-Year PUMS
Errata Note 133


Errata Note
Tabulation Processing Error in Table B05015 for 2019 to 2021 ACS
Errata Note 132


Errata Note
Tabulation Processing Error in the AIAN Detailed Tables, 2011-2015
Errata Note 131


Errata Note
Tabulation Processing Error in Table S2201 for 2015 to 2020 ACS
Errata Note 130


Errata Note
Data Processing Error for the Hispanic Origin Question for 2020 ACS
Errata Note 129


Errata Note
Data Collection Error for the Telephone Service Question
Errata Note 118


Errata Note
Rounding Issues Discovered for EEO Tables 1RC and 1WC in data.census.gov/API
Errata Note 128


Errata Note
Error Tabulating Own Children of the Householder for 2019 ACS 1-Year and 5-Year
Errata Note 127


Errata Note
Error Tabulating Nativity of Parent for 2019 ACS 1-Year and 5-Year
Errata Note 126


Errata Note
Data Collection Error in Gratiot County, MI
Errata Note 122


Errata Note
Data Collection Error in Rio Arriba County, NM
Errata Note 125


Errata Note
Error in CP04 for Year Householder Moved Into Unit
Errata Note 124


Errata Note
Error in the 2015, 2016, and 2017 ACS Distribution of Homes within Gross Rent Categories
Errata Note 123


Errata Note
Data Collection Error in Philadelphia County, PA
Errata Note 121


Errata Note
Data Collection Error in Delaware
Errata Note 120


Errata Note
Suppressed Geos Due to Data Collection Error for Fertility Estimates
Errata Note 119


Errata Note
CONP (Condo Fee) Errors in PUMS Datasets Prior to 2016
Errata Note 117


Errata Note
Table B98001 Missing from Data.census.gov for 2011-2015 ACS 5-Year
Errata Note 116


Errata Note
2016 Data Collection Error for Internet Access Question
Errata Note 114


Errata Note
Type of Building (BLD) Processing Error
Errata Note 115


Errata Note
Error in MOE of Zero Count Estimates for 2010–2014 ACS 5-Year Data
Errata Note 112


Errata Note
Error Tabulating 2015 ACS 1-Year PUMS Variables FINCP and HINCP
Errata Note 111


Errata Note
Error in the 2008 to 2015 ACS Year Structure Built Estimates
Errata Note 110


Errata Note
Overestimate of Domestic Migration for Alaska in ACS Prior to 2015
Errata Note 109


Errata Note
Incorrect DataFerrett Metadata for RACWHT and RACSOR Variables
Errata Note 107


Errata Note
Duplicate POWPUMA and MIGPUMA Codes in SC & VA for 2012-14 PUMS Files
Errata Note 106


Errata Note
Error in the 2008 to 2011 ACS Multi-Year Tables B17008 and S1701
Errata Note 105


Errata Note
Suppressed Geographies for Fertility Estimates in Multi-Year ACS Files
Errata Note 104

Page Last Revised - November 30, 2023
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