Mrgić families are mainly Croats and they are mostly from Bjelovar , a often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Bjelovar.
Prevalence
About 70 people with faimily name Mrgić live in Croatia today, in 30 households. There were 100 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 10 Croatian counties, in 11 cities and 10 other places, mostly in Zagreb (15), Bjelovar (15), Karlovac (10), Berek in Cazma area (<10), and in Rijeka (<5).
Outside Croatia
Family name Mrgić (including: Mrgic , Mrgich ) is present in 6 countries on two continents. "Mrgich " 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 2007 in source Encyclopaedia of Croatian Surnames.