In Croatia, Zgrinskić families are Croats (from Labin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Labin area and in Labin. In Šumber in Labin area every thirtieth inhabitant had the family name Zgrinskić.
Prevalence
About 10 people with faimily name Zgrinskić live in Croatia today, in 7 households. There were 20 of them in the middle of the past century, and their number halved. They are located in only two Croatian places: in Sumber (<5) and Nedescina (<5) in Labin area.
Outside Croatia
At least four families with this surname emigrated from Croatia to the United States (3) and Switzerland (1). Family name Zgrinskić is present in two countries on two continents. The family name "Zgrinskic " is used by few people in the United States.