Census Data API: FIPS Geographies in /data/2018/nonemp/geography
Reference DateGeography LevelGeography HierarchyLimit
6 items
N/AN/A(default geography)
2018-01-01010us
2018-01-01040state
2018-01-01050statecounty
2018-01-01310metropolitan statistical area/micropolitan statistical area
2018-01-01330combined statistical area