Kirinčić families are Croats and they are mostly from the Island of Krk. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Karlovac. In Klimno on the Island of Krk every second inhabitant had the family name Kirinčić.
About 430 people with faimily name Kirinčić live in Croatia today, in 200 households. There were 640 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 10 Croatian counties, in 16 cities and 45 other places, mostly in Rijeka (70), Karlovac (55), Zagreb (35), Ozalj (30), and in Njivice on the Island of Krk (25).