Cafuk families are Croats and they are mostly from Varazdin area. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Varazdin area. In places Vidovec , Domitrovec and Budislavec in Varazdin area every ninth inhabitant had the family name Cafuk.
Prevalence
About 270 people with faimily name Cafuk live in Croatia today, in 110 households. There were 340 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 9 Croatian counties, in 13 cities and 30 other places, mostly in Vidovec in Varazdin area (75), Varazdin (60), Zagreb (15), Domitrovec in Varazdin area (10), and in Bjelovar (<10).
Outside Croatia
Family name Cafuk is present in two countries on two continents. The family name "Cafuk " 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.