In Croatia, Krkljuš families are predominantly Croats (from Djurdjevac area ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Jastrebarsko area.
Prevalence
About 20 people with faimily name Krkljuš live in Croatia today, in 11 households. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in 6 Croatian counties and threee other places, mostly in Vukovar (<10), Udbinja (<5), Zagreb (<5), Bjelovar (<5), and in Hampovica in Djurdjevac area (<5).
Outside Croatia
Family name Krkljuš is present in two countries on two continents. The family name "Krkljus " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.