Magušić families are Croats and they are mostly from Valpovo area. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Valpovo area.
Prevalence
About 90 people with faimily name Magušić live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 10 cities and 5 other places, mostly in Brodjanci in Valpovo area (45), Osijek (15), Zagreb (10), Donji Miholjac (10), and in Valpovo (<10).
Outside Croatia
Family name Magušić is present in two countries on two continents.
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.