Census Data API: FIPS Geographies in /data/1990/sf3/geography
Reference DateGeography LevelGeography HierarchyLimit
6 items
1990-01-01040state
1990-01-01050statecounty
N/A060statecountycounty subdivision
N/A140statecountytract
N/A150statecountytractblock group
N/A160stateplace