In Croatia, Zupković families are Croats (from Bosnian Posavina ). In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Gradacac area) and in Vinkovci.
Prevalence
About 40 people with faimily name Zupković live in Croatia today, in 17 households. They are only located in in 7 Croatian cities and 5 other places, mostly in Vinkovci (10), Dulepska (<10), Sesvete (<10), Zupanja (<10), and in Sotin (<10).
Outside Croatia
Family name Zupković (including: Zupkovic , Zupkovich ) is present in five countries on three continents. "Zupkovich " is used by small number of people in the United States.