In Croatia, Čučuković families are mainly Croats (from Peljesac Peninsula ), equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Derventa area) and in Rijeka.
Prevalence
About 50 people with faimily name Čučuković live in Croatia today, in 20 households. There were 30 of them in the middle of the past century, and their number increased by 90 percent. They are located in 7 Croatian counties, in 7 cities and two other places, mostly in Rijeka (30), Zagreb (10), Novo Cice (<10), Ledenice (<5), and in Split (<5).
Outside Croatia
Family name Čučuković is present in five countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.