Duduković families are predominantly Serbs and they are mostly from Duga Resa area , less frequently Croats (from Karlovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Slunj and Karlovac. In places Točak and Veljun in Slunj every third inhabitant had the family name Duduković.
Prevalence
About 170 people with faimily name Duduković live in Croatia today, in 80 households. There were 390 of them in the middle of the past century, and their number decreased significantly. They are located in 9 Croatian counties, in 12 cities and 20 other places, mostly in Tocak (45), Karlovac (35), Zagreb (30), Veljun (20), and in Bjelovar (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.