In Croatia, Jankovič families are Croats (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
Only a few people with faimily name Jankovič live in Croatia today, in two households only. They are located in only threee naselja i to in Sisak (<5), Rijeka (<5), and in Oriovcic in Slavonski Brod area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over a hundred times, the first time 1750 in source 18th Century Census.