Mrković families are almost entirely Croats and they are mostly from Djakovo area. According to some sources they are from Sibenik area, rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Split. In Perković in Sibenik every thirtieth inhabitant had the family name Mrković.
Prevalence
About 120 people with faimily name Mrković live in Croatia today, in 50 households. There were 60 of them in the middle of the past century, and their number doubled. They are located in 10 Croatian counties, in 13 cities and 7 other places, mostly in Zagreb (25), Split (15), Sibenik (15), Vodice (15), and in Antunovac in Osijek area (15).