Census Data API: FIPS Geographies in /data/2012/acs/acs3/cprofile/geography
Reference DateGeography LevelGeography HierarchyLimit
5 items
2012-01-01010us
2012-01-01040state
2012-01-01050statecounty
2012-01-01160stateplace
2012-01-01310metropolitan statistical area/micropolitan statistical area