Census Data API: FIPS Geographies in /data/2018/nonemp/geography

Reference Date	Geography Level	Geography Hierarchy	Limit
5 items
2018-01-01	010	us
2018-01-01	040	state
2018-01-01	050	state› county
2018-01-01	310	metropolitan statistical area/micropolitan statistical area
2018-01-01	330	combined statistical area