In Croatia, Koković families are Croats (from Zabok area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zabok area and in Zagreb.
Prevalence
Only a few people with faimily name Koković live in Croatia today, in four households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only five Croatian places: in Zagreb (<5), Vrbovec (<5), Velika Ves (<5), Dubovac in Nova Gradiska area (<5), and in Komor Zacretski in Zabok area (<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.