Marčinković families are Croats and they are mostly from Bosnian Krajina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosnian Krajina (Kotor Varos area) and in Hrvatska Kostajnica area. In Bilice in Bosnian Krajina every sixth inhabitant had the family name Marčinković.
Prevalence
About 280 people with faimily name Marčinković live in Croatia today, in 100 households. There were 90 of them in the middle of the past century, and their number tripled. They are located in the most of Croatian counties, in 24 cities and 35 other places, mostly in Zagreb (45), Sesvete (30), Dugo Selo (20), Trnovac in Pozega area (15), and in Uncani in Hrvatska Kostajnica area (15).
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.