Mlinarec families are Croats and they are mostly from Prelog. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Prelog.
Prevalence
About 70 people with faimily name Mlinarec live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 50 percent. They are located in 7 Croatian counties, in 9 cities and 7 other places, mostly in Zagreb (30), Prelog (15), Varazdin (<10), Hum na Sutli in Pregrada area (<10), and in Koprivnica (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States (1) and Australia (1). Family name Mlinarec is present in five countries on three continents. The family name "Mlinarec " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.