Source Variables

Some unharmonized variables may not be available.

Variable Label
Type Codes Sample
US1940A_CCSM35 Central city of standard metropolitan area, 1935 P codes 1940 1%
US1980B_MIGCTYGP Residence in 1975: State and county group P codes 1980 1%
US1990B_MIGMET5 Migration state and PUMA P codes 1990 1%
US2000G_MIGPUMA1 Migration Super-PUMA P codes 2000 1%