In Croatia, Svetopetrić families are Croats (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Petrinja area. In Zirčica in Sisak area every tenth inhabitant had the family name Svetopetrić.
Prevalence
About 30 people with faimily name Svetopetrić live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, two cities and 5 other places, mostly in Hrastelnica (<10), Stari Brod in Petrinja area (<10), Sisak (<10), Greda (<10), and in Velika Gorica (<5).
Outside Croatia
Family name Svetopetrić is present in two countries.