Čolaković families are predominantly Croats and they are mostly from Vinkovci area , less frequently Serbs and Bosniaks (from Metkovic ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci area and in Vinkovci.
Prevalence
About 350 people with faimily name Čolaković live in Croatia today, in 150 households. There were 290 of them in the middle of the past century, and their number increased by 20 percent. They are located in the most of Croatian counties, in 30 cities and 36 other places, mostly in Vinkovci (90), Zagreb (35), Nijemci in Vinkovci area (35), Valpovo (20), and in Podgradje in Vinkovci area (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.