Westford is a localadmin and its consensus geometry is derived from uscensus.
{"geom:latitude":42.586418,"name:vol_x_preferred":["Westford"],"wof:coterminous":[1729464801],"wof:name":"Westford","counts:names_total":9,"uscensus:name":"Westford","uscensus:geoid":2501776135,"mz:is_current":1,"wof:hierarchy":[{"continent_id":102191575,"country_id":85633793,"county_id":102084643,"localadmin_id":404476019,"region_id":85688645}],"uscensus:namelsad":"Westford town","label:fra_x_preferred_placetype":["commune"],"qs:a2_lc":"25017","wof:geom_alt":["quattroshapes"],"mz:min_zoom":9,"lbl:latitude":42.586018,"lbl:min_zoom":10,"qs:adm0_a3":"USA","geom:area":0.008908,"label:eng_x_preferred_placetype":["town"],"name:kor_x_preferred":["웨스트퍼드"],"qs:la":"Westford","counts:concordances_total":1,"qs:adm0":"United States","geom:type":"Polygon","wof:lastmodified":1722578131,"qs:a2":"Middlesex","qs:a1":"Massachusetts","wof:belongsto":[102191575,85633793,102084643,85688645],"mps:latitude":42.586018,"qs:a0":"United States","wof:repo":"whosonfirst-data-admin-us","wof:country":"US","counts:names_preferred":9,"geom:area_square_m":8.1098683057233E7,"name:swe_x_preferred":["Westford"],"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"US","geom:bbox":"-71.498006,42.526189,-71.38474,42.653774","name:eng_x_preferred":["Westford"],"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"name:fra_x_preferred":["Westford"],"wof:geomhash":"e1960e9b2db2d1e00cdb18a32189c227","qs:pop":21951,"wof:placetype_id":404221409,"qs:la_lc":"2501776135","qs:level":"localadmin","mz:is_ceased":0,"lbl:max_zoom":14,"src:population":"uscensus","src:population_date":"2023","uscensus:statefp":25,"wof:placetype":"localadmin","name:ita_x_preferred":["Westford"],"mz:is_deprecated":0,"qs:type":"town","geom:longitude":-71.440064,"wof:population":24543,"wof:id":404476019,"qs:source":"US Census","wof:concordances":{"uscensus:geoid":"2501776135"},"name:cat_x_preferred":["Westford"],"src:geom":"uscensus","src:geom_alt":["quattroshapes"],"name:pol_x_preferred":["Westford"],"wof:tags":[],"wof:population_rank":7,"counts:names_languages":9,"uscensus:population":24543,"mps:longitude":-71.441141,"qs:a1_lc":"25","wof:supersedes":[],"lbl:longitude":-71.441141,"uscensus:population_date":"2023","wof:parent_id":102084643,"wof:placetype_names":["localadmin"],"mz:hierarchy_label":1,"uscensus:countyfp":17,"uscensus:funcstat":"A","edtf:cessation":"uuuu","name:deu_x_preferred":["Westford"]}