Kožul families are almost entirely Croats and they are mostly from Herzegovina (Siroki Brijeg). According to some sources they are from Zadar area (village Kozlovac, Benkovac), Imotski area (Zmijavci), and rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Herzegovina (Siroki Brijeg area) and in North Herzegovina (Konjic area). In Turčinovići in Herzegovina every third inhabitant had the family name Kožul.
Prevalence
About 1100 people with faimily name Kožul live in Croatia today, in 480 households. There were 410 of them in the middle of the past century, and their number more than doubled. They are located in almost all Croatian counties, in 53 cities and 90 other places, mostly in Zagreb (265), Zadar (95), Slavonski Brod (70), Rijeka (60), and in Razanac in Nin area (60).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.