Čačković families are Croats and they are mostly from Jastrebarsko area. In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko area and in Zagreb. In Selsko Brdo in Jastrebarsko area every third inhabitant had the family name Čačković.
Prevalence
About 190 people with faimily name Čačković live in Croatia today, in 90 households. There were 220 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 7 Croatian counties, in 13 cities and 18 other places, mostly in Zagreb (45), Selsko Brdo in Jastrebarsko area (35), Sveta Nedelja in Samobor area (25), Samobor (20), and in Karlovac (15).
Outside Croatia
Family name Čačković (including: Cackovic , Cackovich ) is present in 9 countries on two continents. The family name "Cackovic " is used by some 100 people in the United States and small number in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.