FIPSState + County FIPS code2-digit State + 3-digit County FIPS code (Federal Information Processing Standard). See also U.S. Census Bureau State & County QuickFacts.
STATEStateTwo-letter state abbreviation.Beginning, sec.C3
STATE_FIPSState FIPSState FIPS code (2-digit)
MSA5Metropolitan Statistical Area 5-digit CodeMetropolitan statistical area code (5-digit code as of 2005) - defines county(ies) containing a main city or urbanized area (list)
MSA5DIVMetropolitan Statistical Area DivisionMetropolitan statistical area division code (corresponds to 5-digit MSA codes) (list)
Reg4_namRegion nameRegion name (4 groups)
Reg4_numRegion number (4 cat)Region number (4 groups)
Reg_numRegion number (9 cat)Region number for 9-category US Census regions