In Croatia, Jaružanin families are generally Croats (from Zupanja area ), very rarely Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Zupanja area and in Bosanian Posavina (Brcko area).
Prevalence
About 20 people with faimily name Jaružanin live in Croatia today, in 8 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Gunja in Zupanja area (<10), Vinkovci (<5), Zupanja (<5), Selce (<5), and in Djurici in Zupanja area (<5).
Outside Croatia
Family name Jaružanin is present in this form only in Croatia.