In Croatia, Mlinarski families are generally Croats (from Nova Gradiska area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bosnian Krajina (Prnjavor area) and in Vinkovci.
Prevalence
About 10 people with faimily name Mlinarski live in Croatia today, in four households only. They are located in only threee naselja i to in Smrtic in Nova Gradiska area (<10), Knin (<10), and in Zagreb (<5).