Pupek families are Croats and they are mostly from Novi Marof. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Novi Marof.
Prevalence
About 60 people with faimily name Pupek live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number remains constant. They are located in 7 Croatian counties, in 11 cities and 6 other places, mostly in Zagreb (25), Krizevci (<10), Novi Marof (<10), Kamena Gorica (<10), and in Varazdin (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.