In Croatia, Četković families are mainly Croats (from Bjelovar ), rarely Serbs, and . In the past century, relatively most of Croatian residents bearing this family name were born in Labin area and in Pula.
Prevalence
About 10 people with faimily name Četković live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, four cities and four other places, mostly in Pula (<10), Brezovac (<5), Zagreb (<5), Zadar (<5), and in Bjelovar (<5).