In Croatia, Điko families are generally Croats (from Solin area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Omis.
Prevalence
About 40 people with faimily name Điko live in Croatia today, in 20 households. There were 30 of them in the middle of the past century, and their number increased by 50 percent. They are only located in in 6 Croatian cities and another small place , mostly in Kotlenice in Solin area (15), Split (15), Zagreb (<10), Velika Gorica (<5), and in Dubrava (<5).
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.