In Croatia, Gjopar families are almost entirely Croats (from Zlatar area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Novi Marof. In Podrute in Novi Marof every eightieth inhabitant had the family name Gjopar.
Prevalence
About 20 people with faimily name Gjopar live in Croatia today, in 13 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in four Croatian counties and two other places, mostly in Zagreb (15), Prgomelje (<5), Farkasevac in Cazma area (<5), Daruvar (<5), and in Vrbovec (<5).
Outside Croatia
Family name Gjopar is present in this form only in Croatia.
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.