Trajković families are mainly Croats and they are mostly from Dubrovnik , often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Serbia.
Prevalence
About 110 people with faimily name Trajković live in Croatia today, in 60 households. There were 30 of them in the middle of the past century, and their number more than tripled. They are located in the most of Croatian counties, in 16 cities and 8 other places, mostly in Zagreb (30), Rijeka (15), Osijek (10), Pula (<10), and in Split (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1927 in source Emigration Commission Zagreb.