Štefok families are Croats and they are mostly from Prelog area. In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Zagreb.
Prevalence
About 140 people with faimily name Štefok live in Croatia today, in 60 households. There were 100 of them in the middle of the past century, and their number increased by 40 percent. They are located in 10 Croatian counties, in 10 cities and 11 other places, mostly in Zagreb (35), Donji Kraljevec in Prelog area (30), Cacinci in Orahovica area (20), Ivanec (<10), and in Prelog (<10).
Outside Croatia
Family name Štefok is present in this form only in Croatia.
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.