Plaščar families are Croats and they are mostly from Donja Stubica area. In the past century, relatively most of Croatian residents bearing this family name were born in Donja Stubica area and in Zagreb.
Prevalence
About 60 people with faimily name Plaščar live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, threee cities and 14 other places, mostly in Zagreb (25), Sagudovec in Donja Stubica area (10), Suplja Lipa in Daruvar area (<10), Vidrenjak in Cazma area (<10), and in Sesvete (<5).
Outside Croatia
Family name Plaščar 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.