Kozić families are almost entirely Croats and they are mostly from Cazinska Krajina Region (Bosnia), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area) and in Bjelovar. In Obrovac in Banja Luka Region (Bosnia) every fifth inhabitant had the family name Kozić.
Prevalence
About 820 people with faimily name Kozić live in Croatia today, in 300 households. There were 150 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 37 cities and 70 other places, mostly in Bjelovar (115), Zagreb (80), Osijek (60), Novska (60), and in Cepin in Osijek area (55).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.
