In Croatia, Kočevar families are almost entirely Croats (from Mursko Sredisce area ), barely Slovenes (from Slovenia ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec area and in Slovenia.
Prevalence
About 60 people with faimily name Kočevar live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 7 Croatian counties, in 7 cities and 12 other places, mostly in Karlovac (<10), Zaluka Lipnicka in Ozalj area (<10), Valpovo (<10), Osijek (<5), and in Jamnica Pisarovinska in Jastrebarsko area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1924 in source Emigration Commission Zagreb.