SSA 831 Disability File ACS Extract

The SSA's 831 Disability File is a research file created to determine medical eligibility for Old-Age, Survivors and Disability Insurance (OASDI) and Supplemental Security Income (SSI) benefits. The 831 Disability File extract file contains Protected Identification Keys (PIK) that link these records to the respondents in the American Community Survey (ACS)microdata files.

Data and Resources

Additional Info

Field Value
Record creation timestamp 2026-04-08 23:10 UTC
Record last modification timestamp 2026-06-26 19:35 UTC
Agency dataset ID 1713
Alternative title(s)
    Program
    Program Title
    Preferred citation
    Source(s) Census Bureau
    Other Source(s)
    URL(s) for general survey info
      Co-Reviewer(s)
      Authorizer(s)
      • Census Bureau
      • Office of Research, Evaluation, and Statistics
      Other Authorizer(s)
      Funder(s)/Sponsor(s)
        Other Funder(s)/Sponsor(s)
        Additional information about restricted dataset
        DOI
        Earliest Year of Data Available 2015
        Most Recent Year of Data Available 2019
        Smallest geographic unit Address
        Smallest geographic unit (other)
        Universe
        1. American Community Survey respondents
        Spatial coverage
        1. National (50 States, DC, Puerto Rico)
        Classification
        • Business and Economy
        • Taxation
        Unit of observation Household
        Unit of observation (other)
        Sample

        NA
        Frequency of data collection Annually
        Frequency of data collection (other)
        Method of data collection Administrative records
        Method of data collection (other)
        Reference date
          Reference date (other)
          Data collection notes
          Number of cases
          Number of variables
          Linkage capabilities
          Linkage variables
            Where to apply https://www.census.gov/about/adrm/fsrdc.html
            Fees

            Possible seat fee dependent on consortium membership. URL for more information: https://www.census.gov/about/adrm/fsrdc/about/fsrdc-network-fees.html
            Access modality FSRDC
            Usage restrictions

            Census Bureau restricted-use data must be used for statistical purposes and cannot be used for purposes of enforcing laws or regulations or for profit.
            Public Use File available
            Public-use version
            Summary of differences
            Geography differs from restricted-use file (RUF)
            Variable detail differs from Restricted Use File (RUF)
            FTI flag
            Trust level Trust Level 4
            Provisioned by state
              Provisioned by other geographic unit
                Provisioned by month
                  Provisioned year(s)
                  1. 2015-2019
                  Provisioned by other time unit
                    Provisioning units other than time or geography
                      Can non-citizens apply Yes, if residency requirements are met
                      Variable selection requirement
                      Supporting documentation
                      Documentation for application