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General FIPS code help

Census blocks and FIPS can be tricky! Our favorite census docs are this and this. A full 15 character FIPS is for a census block. In general, for Census GEOIDs, they're hierarchical and their format is:
  • characters 1-2 are state FIPS
  • characters 3-5 are county FIPS
  • characters 6-11 are census tract FIPS
  • character 12 is block group FIPS
  • character 13-15 are block FIPS
Last modified 1mo ago