In Croatia, Mazulović families are mainly Serbs, equally Croats (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Hrvatska Kostajnica area.
Prevalence
About 30 people with faimily name Mazulović live in Croatia today, in 13 households. There were 30 of them in the middle of the past century, and their number remains constant. They are only located in in 6 Croatian cities and another small place , mostly in Petrinjci in Hrvatska Kostajnica area (15), Sisak (<5), Zagreb (<5), Pula (<5), and in Velika Gorica (<5).
Outside Croatia
Family name Mazulović is present in five countries on two continents. The family name "Mazulovic " is used by few people in Canada and few people in the United States.