Mihelčić families are Croats and they are mostly from Delnice area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb.
Prevalence
About 660 people with faimily name Mihelčić live in Croatia today, in 310 households. There were 900 of them in the middle of the past century, and their number decreased by 30 percent. They are located in almost all Croatian counties, in 39 cities and 84 other places, mostly in Zagreb (120), Delnice (95), Rijeka (50), Virovitica (45), and in Lokve in Delnice area (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.