Premuž families are Croats and they are mostly from Ivanec area. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Otocac. In Gornje Vratno in Ivanec area every fourtieth inhabitant had the family name Premuž.
Prevalence
About 200 people with faimily name Premuž live in Croatia today, in 90 households. There were 250 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 10 Croatian counties, in 15 cities and 27 other places, mostly in Zagreb (30), Prozor (15), Otocac (15), Cestica in Ivanec area (15), and in Varazdin (15).
Outside Croatia
At least four families with this surname emigrated from Croatia to: Germany (2), the United States (1), and to Venezuela (1). Family name Premuž is present in this form only in Croatia.
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.