Koričić families are Croats and they are mostly from Senj area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Osijek.
Prevalence
About 110 people with faimily name Koričić live in Croatia today, in 50 households. There were 100 of them in the middle of the past century, and their number increased by 20 percent. They are located in 10 Croatian counties, in 17 cities and 6 other places, mostly in Zagreb (30), Belisce (15), Brinje in Senj area (15), Osijek (10), and in Senj (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.