Košević families are mainly Serbs and they are mostly from Benkovac , whereas often Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Benkovac and Split.
Prevalence
About 100 people with faimily name Košević live in Croatia today, in 40 households. There were 130 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 8 cities and 6 other places, mostly in Benkovac (15), Zadar (10), Bukovic (10), Zagreb (10), and in Darda in Osijek area (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.