Sanjković families are Croats and they are mostly from Mursko Sredisce area. In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and in Mursko Sredisce area.
Prevalence
About 110 people with faimily name Sanjković live in Croatia today, in 60 households. There were 70 of them in the middle of the past century, and their number increased by 60 percent. They are only located in in 8 Croatian cities and 10 other places, mostly in Cakovec (45), Zagreb (20), Dekanovec in Prelog area (15), Poljana (<10), and in Varazdin (<5).
Outside Croatia
Family name Sanjković (including: Sanjkovic , Sanikovich and Sanykovich ) is present in 8 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.