Richfield has yet to put a famous person on the list
The Illinois lists hold names for 790 towns. No town in Illinois lists more than Alton, with 65. After Alton, the next longest list in Illinois is Champaign City Township’s, with 64.
Who’s listed here
Famous people come from Wikidata (people whose birthplace is Richfield), checked against each person’s English Wikipedia article and ranked by how many Wikipedia languages cover them. Nobody born in Richfield has passed that check yet, and nobody born within 35 miles is listed.
From Wikidata and Wikipedia: people whose birthplace is Richfield 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.