In Croatia, Hrupa families are generally Croats (from Lepoglava area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Lepoglava area.
Prevalence
About 20 people with faimily name Hrupa live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five Croatian places: in Zagreb (10), Mali Gorenec in Lepoglava area (<10), Ivanec (<5), Veliki Brezovec in Vrbovec area (<5), and in Meljan in Lepoglava area (<5).
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.