In Croatia, Knjeginjić families are predominantly Croats (from Belisce ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Belisce and in Nova Gradiska area. In Ratkovac in Nova Gradiska area every twentieth inhabitant had the family name Knjeginjić.
Prevalence
About 10 people with faimily name Knjeginjić live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, four cities and another small place , mostly in Belisce (<5), Garesnica (<5), Zagreb (<5), Okucani in Nova Gradiska area (<5), and in Valpovo (<5).
Outside Croatia
Family name Knjeginjić is present in four countries.