Margetić families are almost entirely Croats and they are mostly from Zlatar area. According to some sources they are from Rijeka area, rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zlatar area. In Sveti Križ in Zlatar area every second inhabitant had the family name Margetić.
Prevalence
About 920 people with faimily name Margetić live in Croatia today, in 410 households. There were 1100 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 43 cities and 82 other places, mostly in Zagreb (295), Bjelovar (60), Sveti Kriz in Zlatar area (40), Virovitica (30), and in Prigorje Brdovecko in Zapresic area (30).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.