Prosper Township has yet to put a famous person on the list
The longest list in South Dakota is Sioux Falls’, with 54 names. After Sioux Falls, the next longest list in South Dakota is Rapid City’s, with 46. In South Dakota, 128 towns have someone on the list.
Who’s listed here
Famous people come from Wikidata (people whose birthplace is Prosper Township), checked against each person’s English Wikipedia article and ranked by how many Wikipedia languages cover them. Nobody born in Prosper Township has passed that check yet, and nobody born within 35 miles is listed.
From Wikidata and Wikipedia: people whose birthplace is Prosper Township 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.