Filčić families are Croats and they are mostly from Rijeka. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb.
Prevalence
About 70 people with faimily name Filčić live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 6 cities and 6 other places, mostly in Rijeka (25), in Marinici (20) and Viskovo (<10) in Rijeka area, Opatija (<10), and in Studena in Opatija area (<10).
Outside Croatia
At least six families with this surname emigrated from Croatia to the United States (4) and Brazil (2). Family name Filčić (including: Filcic , Filcich ) is present in 8 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.