Biškupović families are often Croats and they are mostly from Orahovica area , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Orahovica area and in Rijeka. In Bestrma in Hrvatska Kostajnica area every sixth inhabitant had the family name Biškupović.
Prevalence
About 80 people with faimily name Biškupović live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 50 percent. They are located in 7 Croatian counties, in 9 cities and 13 other places, mostly in Zagreb (<10), Rijeka (<10), Dugo Selo (<10), Popovaca Pazariska (<10), and in Balinci in Orahovica area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.