Dukić families are predominantly Croats and they are mostly from Sinj area. According to some sources they are from Kastav area, rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj area and in Zadar. In Košute in Sinj area every fifth inhabitant had the family name Dukić.
Prevalence
About 1900 people with faimily name Dukić live in Croatia today, in 810 households. There were 1800 of them in the middle of the past century, and their number increased by 10 percent. They are located in almost all Croatian counties, in 64 cities and 131 other places, mostly in Kosute in Sinj area (305), Zagreb (275), Zadar (220), Rijeka (105), and in Split (65).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over fifty times, the first time 1750 in source 18th Century Census.