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MIGCOUNTYICP5
County of residence 5 years ago (ICPSR code)

Description

For respondents who lived in a different county 5 years before the census, MIGCOUNTYICP5 reports the county where the respondent lived at that time, using the Inter-University Consortium for Political and Social Research (ICPSR) coding scheme. Counties are assigned codes alphabetically within states. The first 3 digits are usually identical to the FIPS county codes used in other datasets; ICPSR adds a digit to the FIPS codes to accommodate change over time.

MIGCOUNTYICP5 is a state-dependent variable; it must be read with MIGPLAC5 to identify the state of residence 5 years ago.