Peroković families are Croats and they are mostly from Djurdjevac. In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac and Zagreb. U Gradu Đurđevcu every nintieth inhabitant had the family name Peroković.
Prevalence
About 140 people with faimily name Peroković live in Croatia today, in 60 households. There were 170 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 11 cities and 12 other places, mostly in Zagreb (40), Djurdjevac (20), Koprivnica (15), Koprivnicki Bregi in Koprivnica area (15), and in Ivanovci (<10).
Outside Croatia
Family name Peroković is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.