In Croatia, Kufek families are predominantly Croats (from Samobor area ), very rarely Serbs, and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Samobor area.
Prevalence
About 30 people with faimily name Kufek live in Croatia today, in 8 households. There were 20 of them in the middle of the past century, and their number increased by 40 percent. They are located in threee Croatian counties, four cities and threee other places, mostly in Visnjevac (<10), Farkasevec Samoborski (<5), Samobor (<5), Gornji Stupnik in Samobor area (<5), and in Krkac (<5).
Outside Croatia
Family name Kufek is present in two countries on two continents. The family name "Kufek " is used by small number of people in the United States.