Povoljnjak families are Croats and they are mostly from Velika Gorica area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Velika Gorica.
Prevalence
About 100 people with faimily name Povoljnjak live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 20 percent. They are located in four Croatian counties and 11 other places, mostly in Kravarsko in Velika Gorica area (35), Zagreb (15), Velika Gorica (15), Petrinja (10), and in Jagodnjak in Beli Manastir area (<10).
Outside Croatia
Family name Povoljnjak 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.