Cmuk 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 Ivanec area and in Varazdin. In Maruševec in Ivanec area every tenth inhabitant had the family name Cmuk.
Prevalence
About 80 people with faimily name Cmuk live in Croatia today, in 30 households. There were 120 of them in the middle of the past century, and their number decreased by 40 percent. They are located in two Croatian counties, in one city and 10 other places, mostly in Marusevec (35) and Koretinec (10) in Ivanec area, Zagreb (<10), and in Vinica (<10) and Calinec (<5) in Ivanec area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.