In Croatia, Karajčić families are predominantly Serbs, rarely Croats (also from Hrvatska Kostajnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Hrvatska Kostajnica area.
Prevalence
About 20 people with faimily name Karajčić live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in in 6 Croatian cities and threee other places, mostly in Sunja in Hrvatska Kostajnica area (<10), Hrvatska Kostajnica (<10), in Cetvrtkovac (<5) and Petrinjci (<5) in Hrvatska Kostajnica area, and in Zagreb (<5).