Komljenović families are almost entirely Croats and they are mostly from Bosnian Krajina , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bosnian Krajina (Prijedor area) and in Banja Luka Region, Bosnia (Banja Luka area). In Stratinska in Banja Luka Region (Bosnia) every fourth inhabitant had the family name Komljenović.
About 1200 people with faimily name Komljenović live in Croatia today, in 480 households. There were 260 of them in the middle of the past century, and their number multiplied. They are located in all Croatian counties, in 55 cities and 132 other places, mostly in Zagreb (240), Bjelovar (65), Novska (65), Rijeka (50), and in Lipik (45).