Folnović families are Croats and they are mostly from Zlatar area. According to some sources they are from Persavec. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zlatar area.
Prevalence
About 90 people with faimily name Folnović live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number increased by 0 percent. They are located in 6 Croatian counties, in 9 cities and 8 other places, mostly in Zagreb (35), Persaves in Zlatar area (20), Kutina (15), Varazdin (10), and in Samobor (<5).
Outside Croatia
Family name Folnović is present in four countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.