Cavour has yet to put a famous person on the list
No town in South Dakota lists more than Sioux Falls, with 54. After Sioux Falls, the next longest list in South Dakota is Rapid City’s, with 46. The South Dakota lists hold names for 128 towns.
Who’s listed here
Famous people come from Wikidata (people whose birthplace is Cavour), checked against each person’s English Wikipedia article and ranked by how many Wikipedia languages cover them. Nobody born in Cavour has passed that check yet, and nobody born within 35 miles is listed.
From Wikidata and Wikipedia: people whose birthplace is Cavour 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.