Elkader is a locality and its consensus geometry is derived from whosonfirst.
{"wof:statistical_gore":1,"mz:is_ceased":0,"geom:latitude":38.873,"wof:coterminous":[404504561],"wof:name":"Elkader","counts:names_total":1,"wof:placetype":"locality","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102082177,"localadmin_id":404504561,"locality_id":1729464131,"region_id":85688555}],"mz:is_deprecated":0,"mz:min_zoom":30,"lbl:latitude":38.872848,"geom:area":0.028905,"geom:longitude":-100.899477,"wof:id":1729464131,"geom:type":"Polygon","wof:lastmodified":1613764429,"wof:belongsto":[102191575,85633793,102082177,404504561,85688555],"mps:latitude":38.872848,"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":2.78261902182532E8,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","src:geom_via":"uscensus","counts:names_languages":1,"geom:bbox":"-100.984353,38.785807,-100.814319,38.960489","name:eng_x_preferred":["Elkader"],"mps:longitude":-100.899491,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-100.899491,"wof:geomhash":"682eeb93c87d091c13c3e7c96cc798ff","wof:parent_id":404504561,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"wof:placetype_id":102312317,"edtf:cessation":"uuuu"}