In Croatia, Jocković families are predominantly Serbs, rarely Croats (from Vukovar ), and very rarely Slovaks (from Vukovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and in Vukovar area.
Prevalence
About 30 people with faimily name Jocković live in Croatia today, in 15 households. There were 80 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, four cities and 5 other places, mostly in Trpinja in Vukovar area (15), Vukovar (<10), Borovo in Vukovar area (<5), Tovarnik in Ilok area (<5), and in Vera in Vukovar area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.