Kopačević families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Odzak area) and in Zagreb.
Prevalence
About 110 people with faimily name Kopačević live in Croatia today, in 40 households. They are located in 10 Croatian counties, in 9 cities and 13 other places, mostly in Zagreb (30), Slavonski Brod (25), Bukovlje in Slavonski Brod area (<10), Jaksic in Pozega area (<10), and in Svilaj in Slavonski Brod area (<10).
Outside Croatia
Family name Kopačević is present in two countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.