In Croatia, Kozarčanin families are predominantly Croats (from Hrvatska Kostajnica area ), rarely Bosniaks (from Cazins Region (Bosnia) ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Bosanian Posavina (Bosanska Gradiska area).
Prevalence
About 40 people with faimily name Kozarčanin live in Croatia today, in 17 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 8 cities and two other places, mostly in Zagreb (10), Rijeka (<10), Samobor (<10), and in Hrvatska Dubica (<10) and Cetvrtkovac (<5) in Hrvatska Kostajnica area.
Outside Croatia
Family name Kozarčanin is present in 7 countries on two continents.
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.