In Croatia, Zastavniković families are mainly Serbs, rarely Croats (from Bjelovar ), and very rarely Roms (also from Bjelovar ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and Novska.
Prevalence
About 30 people with faimily name Zastavniković live in Croatia today, in 16 households. There were 130 of them in the middle of the past century, and their number decreased significantly. They are located in 7 Croatian counties, in 8 cities and 5 other places, mostly in Zagreb (10), Bjelovar (<5), Dugo Selo (<5), Novska (<5), and in Grginac in Bjelovar area (<5).
Outside Croatia
At least five families with this surname emigrated from Croatia to the United States (3) and Canada (2). Family name Zastavniković is present in three countries.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.