Hrupački families are Croats and they are mostly from Donji Miholjac area. In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava area and in Donji Miholjac area.
Prevalence
About 90 people with faimily name Hrupački live in Croatia today, in 40 households. There were 60 of them in the middle of the past century, and their number increased by 50 percent. They are located in 8 Croatian counties, in 9 cities and 7 other places, mostly in Zagreb (25), Varazdin (10), Donji Miholjac (10), Breznica Nasicka in Nasice area (<10), and in Rijeka (<10).
Outside Croatia
Family name Hrupački is present in this form only in Croatia.
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.