Dušković families are Croats and they are mostly from Zadar. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zadar.
Prevalence
About 60 people with faimily name Dušković live in Croatia today, in 20 households. There were 70 of them in the middle of the past century, and their number decreased by 0 percent. They are located in four Croatian counties and 11 other places, mostly in Turanj in Biograd na moru area (20), Rijeka (<10), Pazin (<10), Jurdani in Opatija area (<10), and in Krsikla (<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.