Tupek families are Croats and they are mostly from Donja Stubica area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Donja Stubica area. In Sveti Matej in Donja Stubica area every eighth inhabitant had the family name Tupek.
Prevalence
About 280 people with faimily name Tupek live in Croatia today, in 110 households. There were 270 of them in the middle of the past century, and their number remains constant. They are located in 9 Croatian counties, in 10 cities and 25 other places, mostly in Sesvete (90), Zagreb (65), Sveti Matej in Donja Stubica area (50), Lupoglav in Dugo Selo area (10), and in Graberje Ivanicko (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.