In Croatia, Košalin families are Slovenes by relative majority (from Beli Manastir area ), rarely Croats (also from Beli Manastir area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Beli Manastir area and in Slovenia.
Prevalence
About 10 people with faimily name Košalin live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only two Croatian places: in Knezevo in Beli Manastir area (<10) and Beli Manastir (<5).
Outside Croatia
Family name Košalin is present in five countries on three continents.
