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The 2024 ACS 1-Year PUMS file has not yet been released amidst the U.S. federal government shutdown. Once these data are available, IPUMS will process and release them as quickly as possible.
SPLITNUM
Number of person records in household, before large group quarters were split up (100% datasets)
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Description

SPLITNUM provides the original number of person records that are included in the sampled unit in the 100% datasets. These person records all have the same original 100% serial number (SPLITHID).

As a part of IPUMS data processing, group quarters units containing more than 60 people were split into 1-person households, each with their own unique value in the IPUMS SERIAL variable. For this reason, the NUMPREC value for a group quarters unit containing more than 60 people will always be 1.

Researchers needing to analyze intact group quarters units containing more than 60 people (such as the residents of a large prison or poorhouse) should use SPLITNUM instead of NUMPREC.

The (flag) variable SPLIT can be used to identify all records that were split into a 1-person household.

Codes

SPLITNUM is a 4-digit numeric variable which provides the original number of person records that are included in the sampled unit in the 100% datasets. These person records all have the same original 100% serial number (SPLITHID).

Comparability

This variable is only available in the 100% datasets.

Universe

  • All households and group quarters.

Availability

United States
  • 2023: --
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  • 1990: --
  • 1980: --
  • 1970: --
  • 1960: --
  • 1950: 100%
  • 1940: 100%
  • 1930: 100%
  • 1920: 100%
  • 1910: 100%
  • 1900: 100%
  • 1880: 100%
  • 1870: 100%
  • 1860: 100%
  • 1850: 100%
Puerto Rico
  • 2023: --
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  • 1990: --
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  • 1970: --
  • 1930: --
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  • 1910: --

Flags

This variable has no flags.

Editing Procedure

There is no editing procedure available for this variable.