Ugarković families are mainly Croats and they are mostly from Gospic area , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Gospic area. In Mali Pašijan in Garesnica every fifth inhabitant had the family name Ugarković.
About 530 people with faimily name Ugarković live in Croatia today, in 230 households. There were 630 of them in the middle of the past century, and their number decreased by 20 percent. They are located in almost all Croatian counties, in 34 cities and 63 other places, mostly in Zagreb (95), Brinje in Senj area (35), Mali Pasijan (35), Veliki Pasijan (25), and in Rijeka (20).
Family name Ugarković is present in 11 countries on four continents.