In Croatia, Mujčić families are mainly Bosniaks (from Dugo Selo area ), equally Croats (from Mursko Sredisce area ). In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica and in Banja Luka Region, Bosnia (Banja Luka area). In Ševarlije in Bosnian Krajina every seventh inhabitant had the family name Mujčić.
Prevalence
About 30 people with faimily name Mujčić live in Croatia today, in 20 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in 9 Croatian counties, in 10 cities and 13 other places, mostly in Zagreb (<10), Okunscak in Dugo Selo area (<10), Podvrh (<5), Rijeka (<5), and in Labin (<5).
Outside Croatia
Family name Mujčić is present in 10 countries on three continents. The family name "Mujcic " is used by some 90 people in the United States , small number in Austria , and small number of people in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.