Orešković families are Croats and they are mostly from Otocac. In the past century, relatively most of Croatian residents bearing this family name were born in Otocac and Zagreb. In Ličko Lešće in Otocac every fourth inhabitant had the family name Orešković.
Prevalence
About 2200 people with faimily name Orešković live in Croatia today, in 960 households. There were 2100 of them in the middle of the past century, and their number remains constant. They are located in all Croatian counties, in 69 cities and 164 other places, mostly in Zagreb (555), Licko Lesce (135), Otocac (135), Covici (70), and in Rijeka (70).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over seventy times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.