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The 2024 ACS 5-year PUMS data, released by the Census Bureau on March 5, are now available via IPUMS USA.

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An "X" indicates the variable is available for the listed sample.
Historical Technical Variables
Historical Technical Variables -- PERSON    [top]
Variable
Variable Label
 Type Codes
2024
acs
2023
acs
2022
acs
2021
acs
2016
acs
2011
acs
2006
acs
2000
1pct
1990
1pct
1980
1pct
1970
met2
1970
met1
1960
1pct
1950
1pct
1940
1pct
1930
1pct
1920
1pct
1910
1pct
1900
1pct
1880
1pct
1870
1pct
1860
1pct
1850
1%+
VERSIONHIST Release version for historical full counts [preselected] P codes . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
NAMELAST Last name P codes . . . . . . . . . . . . . . . X X X X X X X X
NAMEFRST First name P codes . . . . . . . . . . . . . . . X X X X X X X X
HISTID Consistent historical data person identifier [preselected] P codes . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
OCCDUPE Duplicate Occupations Flag, 1870 100% P codes . . . . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. .
SURSIM Surname similarity P codes . . . . . . . . . . . . . X X X X X X X X X X
INAME Second name, Indian schedules P codes . . . . . . . . . . . . . . . . . . X . . . .
PRTITLE Puerto Rican title P codes . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . . . .
AGESTR Age, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
SEXSTR Sex, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
RACESTR Race, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
DWNUMSTR Dwelling number, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
FAMNOSTR Family number, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
RELSTR Relationship to household head, alphabetic string P codes . . . . . . . . . . . . . . X X . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . .
MARSTSTR Marital status, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
BIRTHMOSTR Month of birth, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
MARINYRSTR Married within the past year, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
MARMOSTR Month married, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
BPLSTR Birthplace, alphabetic string P codes . . . . . . . . . . . . . . X X . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . .
CITIZENSTR Citizenship status, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
Variable
Variable Label
 Type Codes
2024
acs
2023
acs
2022
acs
2021
acs
2016
acs
2011
acs
2006
acs
2000
1pct
1990
1pct
1980
1pct
1970
met2
1970
met1
1960
1pct
1950
1pct
1940
1pct
1930
1pct
1920
1pct
1910
1pct
1900
1pct
1880
1pct
1870
1pct
1860
1pct
1850
1%+
VOTESTR Denied the vote, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
MBPLSTR Mother's birthplace, alphabetic string P codes . . . . . . . . . . . . . . X X . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . .
MOMFORBRNSTR Mother of foreign birth, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
FBPLSTR Father's birthplace, alphabetic string P codes . . . . . . . . . . . . . . X X . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . .
POPFORBRNSTR Father of foreign birth, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
MTONGSTR Mother tongue, alphabetic string P codes . . . . . . . . . . . . . . X X . . . . . . .
LITSTR Literacy, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
CANRDSTR Can read, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
CANTRDSTR Cannot read, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
CANWRTSTR Can write, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
CANTWRTSTR Cannot write, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
SCHOOLSTR School attendance, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
OCCSTR Occupation, alphabetic string P codes . . . . . . . . . . . . . . X X X X X X X X X
UOCCSTR Usual occupation, alphabetic string P codes . . . . . . . . . . . . . . X . . . . . . . .
MOUNEMPSTR Months unemployed last year, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
INDSTR Industry, alphabetic string P codes . . . . . . . . . . . . . . X X X X . . . . .
UINDSTR Usual industry, alphabetic string P codes . . . . . . . . . . . . . . X . . . . . . . .
SICKSTR Sickness, alphabetic string P codes . . . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . .
DISABSTR Disability condition, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
DISABSTR2 Alternate disability condition, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
Variable
Variable Label
 Type Codes
2024
acs
2023
acs
2022
acs
2021
acs
2016
acs
2011
acs
2006
acs
2000
1pct
1990
1pct
1980
1pct
1970
met2
1970
met1
1960
1pct
1950
1pct
1940
1pct
1930
1pct
1920
1pct
1910
1pct
1900
1pct
1880
1pct
1870
1pct
1860
1pct
1850
1%+
BLINDSTR Blind, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
DEAFSTR Deaf, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
IDIOTICSTR Idiotic, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
INSANESTR Insane, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
MAIMEDSTR Maimed, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
RPROPSTR Real estate value, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
OLDRPROP Unedited real estate value, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
PPROPSTR Personal estate value, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
OLDPPROP Unedited personal estate value, alphabetic string P codes . . . . . . . . . . . . . . . . . . . . . . .
PFARMSCH Person received farm schedule P codes . . . . . . . . . . . . . . . X X X X . . . .
PERNUM80 Person number, before large group quarters were split up, 1880 100% P codes . . . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . .
MOMNO Mother number, alternate 1910 linking variable P codes . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . . . .
MOMLNKWT Weight of mother link, alternate 1910 linking variable P codes . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . . . .
MOMLKREA Reason for mother link, alternate 1910 linking variable P codes . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . . . .
WIFENO Wife number, alternate 1910 linking variable P codes . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . . . .
WIFLNKWT Weight of wife link, alternate 1910 linking variable P codes . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . . . .
WIFLKREA Reason for wife link, alternate 1910 linking variable P codes . . . . . . . . . . . . . . . . . Variable is not available in the selected sample, but is available in another sample in this year. View variable details to see "availability".
. . . . .
MCIT5STR City of residence 5 years ago, alphabetic string P codes . . . . . . . . . . . . . . X . . . . . . . .
MCNY5STR County of residence 5 years ago, alphabetic string P codes . . . . . . . . . . . . . . X . . . . . . . .
MST5STR State of residence 5 years ago, alphabetic string P codes . . . . . . . . . . . . . . X . . . . . . . .