In Croatia, Plašćar families are Croats (from Opatija area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Rijeka.
Prevalence
About 20 people with faimily name Plašćar live in Croatia today, in 11 households. There were 10 of them in the middle of the past century, and their number doubled. They are only located in threee Croatian cities and 6 other places, mostly in Zagreb (10), Matulji in Opatija area (<10), Sagudovec in Donja Stubica area (<5), Daruvar (<5), and in Sesvete (<5).
Outside Croatia
Family name Plašćar 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 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.