Brumnić families are Croats and they are mostly from Pazin. In the past century, relatively most of Croatian residents bearing this family name were born in Pazin and Zagreb.
Prevalence
About 100 people with faimily name Brumnić live in Croatia today, in 50 households. There were 100 of them in the middle of the past century, and their number remains constant. They are located in 8 Croatian counties, in 10 cities and 10 other places, mostly in Zagreb (20), Pula (15), Pazin (15), Rovinj (10), and in Rijeka (<10).
Outside Croatia
Family name Brumnić (including: Brumnic , Brumnich ) is present in four countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.