In Croatia, Demaria families are Croats (from the Island of Vis ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and on the Island of Vis.
Prevalence
About 30 people with faimily name Demaria live in Croatia today, in 20 households. There were 40 of them in the middle of the past century, and their number decreased by 10 percent. They are located in only five naselja i to in Split (15), Komiza on the Island of Vis (15), Opatija (<10), Bisevo on the Island of Vis (<5), and in Kastav (<5).