In Croatia, Černušak families are predominantly Croats (from Pozega ), rarely Czechs (from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and in Daruvar area. In Kip in Daruvar area every twentieth inhabitant had the family name Černušak.
Prevalence
About 50 people with faimily name Černušak live in Croatia today, in 14 households. There were 30 of them in the middle of the past century, and their number increased by 50 percent. They are located in 7 Croatian counties, in 8 cities and threee other places, mostly in Pozega (20), Kip in Daruvar area (<10), Sveti Filip i Jakov in Biograd na moru area (<10), Gospic (<5), and in Daruvarski Brestovac in Daruvar area (<5).
Outside Croatia
Family name Černušak (including: Cernusak , Chernushak ) is present in four countries on two continents. The family name "Cernusak " is used by small number of people in the United States.
