Answered By: Bobray Bordelon
Last Updated: Apr 01, 2020     Views: 220

FIPS codes are now called ANSI codes. They are used to identify geography.

The county part of a FIPS code is 3 digits.  A full FIPS code that includes county is 5 digits (first 2 designate state; last 3 county). 
 
With IPUMS use the State FIPS Code and combine with the first 3 of the county. 4th digit in county designates change.  See

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