In Croatia, Kocanjer families are Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac.
Prevalence
About 40 people with faimily name Kocanjer live in Croatia today, in 13 households. There were 50 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only four Croatian places: in Karlovac (30), Mahicno (<5), Tuskani (<5), and in Brihovo in Ozalj area (<5).
Outside Croatia
Family name Kocanjer is present in two countries on two continents. The family name "Kocanjer " is used by small number of people in the United States.