Allen is a locality and its consensus geometry is derived from whosonfirst.
{"wof:statistical_gore":1,"mz:is_ceased":0,"geom:latitude":40.24485,"wof:coterminous":[404526323],"wof:name":"Allen","counts:names_total":1,"wof:placetype":"locality","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102083633,"localadmin_id":404526323,"locality_id":1729464225,"region_id":85688485}],"mz:is_deprecated":0,"mz:min_zoom":30,"lbl:latitude":40.250969,"geom:area":0.008257,"geom:longitude":-83.486671,"wof:id":1729464225,"geom:type":"Polygon","wof:lastmodified":1613764424,"wof:belongsto":[102191575,85633793,102083633,404526323,85688485],"mps:latitude":40.250969,"wof:repo":"whosonfirst-data-admin-us","src:geom":"whosonfirst","wof:country":"US","counts:names_preferred":1,"geom:area_square_m":7.792830321664E7,"wof:tags":[],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","src:geom_via":"uscensus","counts:names_languages":1,"geom:bbox":"-83.551338,40.193859,-83.417386,40.297073","name:eng_x_preferred":["Allen"],"mps:longitude":-83.478746,"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:supersedes":[],"lbl:longitude":-83.478746,"wof:geomhash":"1f655338c9af64d20a80f26120d0aa0f","wof:parent_id":404526323,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"wof:placetype_id":102312317,"edtf:cessation":"uuuu"}