Štefančić families are Croats and they are mostly from Nasice area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Rijeka. In Kršinci in Nasice area every eighth inhabitant had the family name Štefančić.
Prevalence
About 780 people with faimily name Štefančić live in Croatia today, in 330 households. There were 700 of them in the middle of the past century, and their number increased by 10 percent. They are located in the most of Croatian counties, in 39 cities and 92 other places, mostly in Zagreb (150), Rijeka (50), Slavonski Brod (45), Sisak (30), and in Nasice (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.