Jakupak families are Croats and they are mostly from Koprivnica area. In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica area and in Prelog.
Prevalence
About 80 people with faimily name Jakupak live in Croatia today, in 40 households. There were 100 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 7 Croatian counties, in 8 cities and 11 other places, mostly in Donja Dubrava in Koprivnica area (40), Zagreb (<10), Kotoriba in Prelog area (<10), Sesvete (<10), and in Nedelisce in Cakovec area (<10).
Outside Croatia
At least eight families with this surname emigrated from Croatia to: Australia (3), the United States (3), and to Germany (2). Family name Jakupak is present in five countries on three 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.