In Croatia, Kočović families are predominantly Croats (from Djakovo area ), very rarely Montenegrins (from Zadar ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Gospic and Zagreb.
Prevalence
About 10 people with faimily name Kočović live in Croatia today, in 7 households. There were 0 of them in the middle of the past century, and their number multiplied. They are only located in in 6 Croatian cities, mostly in Zagreb (<10), Licki Osik (<5), Osijek (<5), Zadar (<5), and in Pula (<5).
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.