Prašnjak families are Croats and they are mostly from Ivanec area (Prigorac). In the past century, relatively most of Croatian residents bearing this family name were born in Ivanec and Varazdin.
Prevalence
About 110 people with faimily name Prašnjak live in Croatia today, in 40 households. There were 120 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 9 Croatian counties, in 10 cities and 14 other places, mostly in Radovan (15), Gora (15), Strasnik (15), Ivanec (<10), and in Margecan (<10).
Outside Croatia
Family name Prašnjak (including: Prasnjak , Prasnyak ) is present in five countries on two continents. The family name "Prasnjak " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.