Mustapić families are Croats and they are mostly from Imotski area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Imotski area.
About 1400 people with faimily name Mustapić live in Croatia today, in 550 households. There were 900 of them in the middle of the past century, and their number increased by 50 percent. They are located in the most of Croatian counties, in 36 cities and 86 other places, mostly in Split (280), Zagreb (205), Metkovic (80), Imotski (80), and in Vinkovci (75).