In Croatia, Košćec families are almost entirely Croats (from Sveti Ivan Zelina ), barely Slovenes (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sveti Ivan Zelina. In Gornja Topličica in Sveti Ivan Zelina every third inhabitant had the family name Košćec.
Prevalence
About 50 people with faimily name Košćec live in Croatia today, in 20 households. There were 70 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 6 Croatian counties, in 7 cities and 6 other places, mostly in Zagreb (15), Varazdin (10), Sveti Ivan Zelina (10), Crikvenica (<5), and in Rinkovec in Lepoglava area (<5).
Outside Croatia
Family name Košćec (including: Koscec , Koschetz ) is present in 7 countries on three continents. "Koschetz " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.
