In Croatia, Kušećek families are Croats (from Karlovac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac area and in Karlovac.
Prevalence
About 30 people with faimily name Kušećek live in Croatia today, in 14 households. They are only located in in one Croatian city and another small place , mostly in Draganic in Karlovac area (35) and Karlovac (<10).
Outside Croatia
Family name Kušećek is present in four countries on three continents. The family name "Kusecek " is used by small number of people in the United States.