No famous person yet from Castleford
Boise City has the most of any town in Idaho: 39. After Boise City, the next longest list in Idaho is Nampa’s, with 38. Famous people are on record for 91 of the towns in Idaho.
Who’s listed here
Famous people come from Wikidata (people whose birthplace is Castleford), checked against each person’s English Wikipedia article and ranked by how many Wikipedia languages cover them. Nobody born in Castleford has passed that check yet, and nobody born within 35 miles is listed.
From Wikidata and Wikipedia: people whose birthplace is Castleford and whose English Wikipedia article agrees, ranked by how many Wikipedia languages cover each person. People known mainly for crimes, and adult performers, aren’t listed. “The usual town” = everyone born in the towns gathered so far.