In Croatia, Vusilović families are almost entirely Croats (from Varazdin area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdinske Toplice and in Varazdin area. In Hrastovec Toplički in Varazdinske Toplice every tenth inhabitant had the family name Vusilović.
Prevalence
About 30 people with faimily name Vusilović live in Croatia today, in 15 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, four cities and four other places, mostly in Zagreb (<10), Ljubescica in Varazdin area (<10), Hrastovec Toplicki (<10), Garesnica (<5), and in Kapelica (<5).
Outside Croatia
Family name Vusilović is present in this form only in Croatia.