Civadelić families are Croats and they are mostly from Trogir. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Trogir.
Prevalence
About 70 people with faimily name Civadelić live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number decreased by 10 percent. They are only located in in 8 Croatian cities and four other places, mostly in Split (35), Trogir (15), Drvenik Mali (10), Porec (<5), and in Rijeka (<5).
Outside Croatia
Family name Civadelić is present in four countries on three continents. The family name "Civadelic " is used by small number of people in the United States.
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.