Crljenko families are Croats and they are mostly from the Island of Pag. In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Pag and in Rijeka.
Prevalence
About 130 people with faimily name Crljenko live in Croatia today, in 70 households. There were 140 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 7 Croatian counties, in 14 cities and 10 other places, mostly in Pag on the Island of Pag (30), Rijeka (20), Zagreb (20), Povljana on the Island of Pag (10), and in Zadar (10).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Crljenko (including: Cerlienco , Cerljenko ) is present in 8 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.