Bošnjaković families are almost entirely Croats and they are mostly from Nasice area , barely Bosniaks (Bosanska Posavina), and Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo and in Nasice area. In Seona in Nasice area every fourth inhabitant had the family name Bošnjaković.
Prevalence
About 1000 people with faimily name Bošnjaković live in Croatia today, in 430 households. There were 1100 of them in the middle of the past century, and their number decreased by 10 percent. They are located in almost all Croatian counties, in 52 cities and 115 other places, mostly in Zagreb (100), Donja Moticina in Nasice area (80), Slavonski Brod (70), Djakovo (60), and in Nasice (50).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1749 in source 18th Century Census.