In Croatia, Kušteljega families are Croats (from Ivanec ). In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec and Slatina.
Prevalence
About 20 people with faimily name Kušteljega live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only four naselja i to in Prigorec (15), Slatina (<5), Bjelovar (<5), and in Sladojevci (<5).
Outside Croatia
Family name Kušteljega is present in this form only in Croatia.