Omrčen families are Croats and they are mostly from Sinj area. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj area and in Sinj.
Prevalence
About 490 people with faimily name Omrčen live in Croatia today, in 190 households. There were 310 of them in the middle of the past century, and their number increased by 60 percent. They are located in the most of Croatian counties, in 21 cities and 25 other places, mostly in Split (125), Zagreb (70), Tijarica in Sinj area (60), Nisko in Solin area (30), and in Josipovac (25).
Outside Croatia
Family name Omrčen is present in 8 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.