In Croatia, Kopač families are predominantly Croats (from Imotski area ), rarely Serbs, and barely Macedonians (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Imotski area.
Prevalence
About 60 people with faimily name Kopač live in Croatia today, in 30 households. There were 90 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 10 Croatian counties, in 11 cities and 9 other places, mostly in Zagreb (20), Glavina Donja (<10), Korcula on the Island of Korcula (<10), Sisak (<10), and in Kastel Novi (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.