In Croatia, Bilkić families are Croats (from Middle Bosnia ), barely Bosniaks (from Zadar ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Tesanj area) and in Doboj, Bosnia (Doboj area). In Vitkovci in Middle Bosnia every fourth inhabitant had the family name Bilkić.
Prevalence
About 80 people with faimily name Bilkić live in Croatia today, in 20 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in 8 Croatian counties, in 10 cities and 8 other places, mostly in Zagreb (35), Momjan (15), Zadar (<10), Novo Cice (<10), and in Podgorac in Nasice area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.