Mužek families are Croats and they are mostly from Krapina area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Krapina area. In Štuparje in Krapina area every ninth inhabitant had the family name Mužek.
Prevalence
About 330 people with faimily name Mužek live in Croatia today, in 140 households. There were 350 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 10 Croatian counties, in 14 cities and 49 other places, mostly in Zagreb (110), Stuparje in Krapina area (30), Nijemci in Vinkovci area (15), and in Mala Erpenja (15) and Cret (15) in Krapina area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.