Šterpin families are Croats and they are mostly from Pazin area. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Pazin area.
Prevalence
About 110 people with faimily name Šterpin live in Croatia today, in 50 households. There were 20 of them in the middle of the past century, and their number multiplied. They are located in threee Croatian counties, in 7 cities and 12 other places, mostly in Pula (40), Pagubice in Pazin area (<10), Vodnjan in Pula area (<10), Rovinj (<5), and in Bertosi (<5).
Outside Croatia
Family name Šterpin is present in 17 countries on four 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.