In Croatia, Štivorić families are Croats (from Jastrebarsko ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and in Orahovica area. In Belčići in Jastrebarsko every tenth inhabitant had the family name Štivorić.
Prevalence
About 10 people with faimily name Štivorić live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee Croatian places: in Belcici (<10), Srednjak (<10), and in Cacinci in Orahovica area (<5).