Deković families are mainly Croats and they are mostly from Trogir area. According to some sources they are from Rogoznice, rarely Italians. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Rijeka. In Dekovići in Porec every second inhabitant had the family name Deković.
Prevalence
About 480 people with faimily name Deković live in Croatia today, in 230 households. There were 380 of them in the middle of the past century, and their number increased by 30 percent. They are located in the most of Croatian counties, in 29 cities and 36 other places, mostly in Rijeka (55), Turanj in Biograd na moru area (50), Porec (45), Zagreb (45), and in Split (30).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.