Topalušić 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 Imotski area and in Bjelovar.
Prevalence
About 120 people with faimily name Topalušić live in Croatia today, in 50 households. There were 110 of them in the middle of the past century, and their number increased by 10 percent. They are located in 6 Croatian counties, in 13 cities and 13 other places, mostly in Zagreb (60), Split (30), Sesvete (<10), Solin (<10), and in Kastav (<10).
Outside Croatia
Family name Topalušić 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.