Census Data API: FIPS Geographies in /data/2000/sf1/geography
Reference DateGeography LevelGeography HierarchyLimit
7 items
N/A040state
N/A050statecounty
N/A060statecountycounty subdivision
N/A101statecountytractblock
N/A140statecountytract
N/A150statecountytractblock group
N/A160stateplace