Source Variables

Some unharmonized variables may not be available.

Variable
Variable Label
Type Codes Sample
US1940A_SMA Standard metropolitan area (1950 Census equivalent) H codes 1940 1%
US1950A_SMA Standard metropolitan area H codes 1950 1%
US1960A_METRORES Metropolitan/non-metropolitan residence H codes 1960 1%
US1960A_CITYRES Central city/Non-Central City Residence H codes 1960 1%
US1980B_AREATYPE Type of Area H codes 1980 1%
US1990B_AREATYPE Area type revised for PUMS equivalency file H codes 1990 1%
US2000G_AREATYP1 Metropolitan Area: Super-PUMA Relationship to MA H codes 2000 1%
US2006A_PUMA Public use microdata area code (PUMA), 5 digits H codes 2006 ACS
US2006A_ST State Code H codes 2006 ACS
US2011A_ST State code H codes 2011 ACS
US2016A_ST State Code H codes 2016 ACS
US2016A_PUMA Public use microdata area code (PUMA) based on 2010 Census definition H codes 2016 ACS
US2021A_PUMA Public use microdata area code (PUMA) based on 2010 Census definition (areas with population of 100,000 or more, use with ST for unique code) H codes 2021 ACS
US2021A_ST State Code based on 2010 Census definitions H codes 2021 ACS
US2022A_PUMA Public use microdata area code (PUMA) based on 2020 Census definition (areas with population of 100,000 or more, use with ST for unique code) H codes 2022 ACS
US2022A_ST State Code based on 2020 Census definitions H codes 2022 ACS