In Croatia, Piškorjanac families are almost entirely Croats (from Valpovo ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Valpovo and Belisce.
Prevalence
About 60 people with faimily name Piškorjanac live in Croatia today, in 19 households. There were 20 of them in the middle of the past century, and their number tripled. They are located in threee Croatian counties and 5 other places, mostly in Valpovo (30), Osijek (10), Harkanovci (10), Visnjevac (<5), and in Bocanjevci (<5).
Outside Croatia
Family name Piškorjanac is present in this form only in Croatia.