In Croatia, Kostibol families are Croats (from Krizevci ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci and Koprivnica.
Prevalence
About 20 people with faimily name Kostibol live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number doubled. They are located in only threee Croatian places: in Sveta Helena (10), Veliki Potocec (<10), and in Donja Glogovnica (<5).
Outside Croatia
Family name Kostibol is present in this form only in Croatia.