In Croatia, Šiljković families are generally Croats (from Virovitica area ), very rarely Serbs, and barely Bosniaks (from Bakr area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Virovitica area.
Prevalence
About 60 people with faimily name Šiljković live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 7 cities and 7 other places, mostly in Zagreb (35), Virovitica (<10), Suhopolje in Virovitica area (<10), Rijeka (<5), and in Sesvete (<5).