In Croatia, Ervaćanin families are Croats by relative majority (from Hrvatska Kostajnica area ), equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pakrac.
Prevalence
About 20 people with faimily name Ervaćanin live in Croatia today, in 8 households. They are located in 7 Croatian counties, in 6 cities and threee other places, mostly in Velika Gorica (<10), Pula (<5), Karlovac (<5), Lipik (<5), and in Zagreb (<5).
Outside Croatia
Family name Ervaćanin is present in five countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.