Šerkinić families are Croats and they are mostly from Skradin. In the past century, relatively most of Croatian residents bearing this family name were born in Skradin and Zagreb.
Prevalence
About 50 people with faimily name Šerkinić live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 10 percent. They are located in four Croatian counties and two other places, mostly in Zagreb (30), Split (15), Krkovic (<5), Vacani (<5), and in Sibenik (<5).
Outside Croatia
Family name Šerkinić 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.