Oršolić families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Orasje area) and in Zupanja. In places Tolisa and Oštra Luka in Bosanian Posavina every sixth inhabitant had the family name Oršolić.
About 620 people with faimily name Oršolić live in Croatia today, in 260 households. There were 230 of them in the middle of the past century, and their number more than doubled. They are located in almost all Croatian counties, in 37 cities and 49 other places, mostly in Zupanja (230), Zagreb (80), Osijek (75), Stitar (50), and in Vinkovci (35).