In Croatia, Stupičić families are almost entirely Croats (from the Island of Pag ), barely Slovenes (also from the Island of Pag ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Pag and in Rijeka.
Prevalence
About 50 people with faimily name Stupičić live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties, in 6 cities and four other places, mostly in Vrcici on the Island of Pag (25), Rijeka (<10), Povljana on the Island of Pag (<10), Mali Losinj on the Island of Losinj (<10), and in Punat on the Island of Krk (<10).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States (1) and Australia (1). Family name Stupičić is present in two countries on two continents. The family name "Stupicic " is used by small number of people in the United States.