In Croatia, Zlovolić families are Croats (from Petrinja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Petrinja area.
Prevalence
About 30 people with faimily name Zlovolić live in Croatia today, in 14 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are located in two Croatian counties, threee cities and four other places, mostly in Zazina (10) and Letovanic (10) in Petrinja area, Sisak (<10), Hrastovica (<5), and in Zagreb (<5).
Outside Croatia
Family name Zlovolić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.