Trifunović families are mainly Serbs and they are mostly from Knin area , also Croats (from Slavonski Brod ), very rarely Montenegrins. In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and Zagreb. In Riđane in Knin area every third inhabitant had the family name Trifunović.
Prevalence
About 240 people with faimily name Trifunović live in Croatia today, in 120 households. There were 450 of them in the middle of the past century, and their number halved. They are located in the most of Croatian counties, in 29 cities and 25 other places, mostly in Zagreb (40), Split (25), Slatina (20), Ridjane in Knin area (15), and in Osijek (15).