In Croatia, Stajković families are Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Brcko area).
Prevalence
About 10 people with faimily name Stajković live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Osijek (<5) and Kastel Stafilic (<5).
Outside Croatia
Family name Stajković (including: Stajkovic , Staykovich ) is present in 10 countries on three continents.
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.