Swanwick is a localadmin and its consensus geometry is derived from uscensus.
{"geom:latitude":38.168254,"wof:coterminous":[1729474339],"wof:name":"Swanwick","counts:names_total":4,"uscensus:name":"Swanwick","uscensus:geoid":1714593348,"mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102087575,"localadmin_id":404496645,"region_id":85688697}],"uscensus:namelsad":"Swanwick precinct","label:fra_x_preferred_placetype":["commune"],"qs:a2_lc":"17145","wof:geom_alt":["quattroshapes"],"mz:min_zoom":11,"lbl:latitude":38.166555,"lbl:min_zoom":12.5,"qs:adm0_a3":"USA","geom:area":0.013539,"label:eng_x_preferred_placetype":["precinct"],"qs:la":"Swanwick","counts:concordances_total":1,"qs:adm0":"United States","geom:type":"Polygon","wof:lastmodified":1695877460,"qs:a2":"Perry","qs:a1":"Illinois","wof:belongsto":[102191575,85633793,85688697,102087575],"mps:latitude":38.166555,"qs:a0":"United States","wof:repo":"whosonfirst-data-admin-us","wof:country":"US","counts:names_preferred":4,"geom:area_square_m":1.31616718405143E8,"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","geom:bbox":"-89.592797,38.097053,-89.44237,38.219271","name:eng_x_preferred":["Swanwick"],"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"name:fra_x_preferred":["Swanwick"],"wof:geomhash":"2e92c052f8f273e69bffc4403f5e12da","qs:pop":806,"wof:placetype_id":404221409,"qs:la_lc":"1714593348","qs:level":"localadmin","mz:is_ceased":0,"lbl:max_zoom":17,"src:population":"quattroshapes","uscensus:statefp":17,"wof:placetype":"localadmin","mz:is_deprecated":0,"qs:type":"prec","geom:longitude":-89.526772,"wof:population":806,"wof:id":404496645,"qs:source":"US Census","wof:concordances":{"uscensus:geoid":"1714593348"},"src:geom":"uscensus","src:geom_alt":["quattroshapes"],"name:pol_x_preferred":["Swanwick"],"wof:tags":[],"wof:population_rank":2,"counts:names_languages":4,"mps:longitude":-89.535734,"qs:a1_lc":"17","wof:supersedes":[],"lbl:longitude":-89.535734,"wof:parent_id":102087575,"wof:placetype_names":["localadmin"],"mz:hierarchy_label":1,"uscensus:countyfp":145,"edtf:cessation":"uuuu","name:deu_x_preferred":["Swanwick"]}