Popek families are Croats and they are mostly from Djakovo area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Djakovo area.
Prevalence
About 120 people with faimily name Popek live in Croatia today, in 50 households. There were 150 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 8 cities and 12 other places, mostly in Zagreb (50), Jakovlje in Zapresic area (20), Satnica Djakovacka in Djakovo area (10), Celije in Vukovar area (<10), and in Donja Bistra in Oroslavje area (<10).
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.