Peroš families are Croats and they are mostly from Nin. In the past century, relatively most of Croatian residents bearing this family name were born in Nin and Zadar. In Zaton in Nin every third inhabitant had the family name Peroš.
About 570 people with faimily name Peroš live in Croatia today, in 270 households. There were 600 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 22 cities and 32 other places, mostly in Zaton (125), Zadar (90), Zagreb (85), Mravince (70), and in Koprivnica (20).