In Croatia, Prosnec families are predominantly Croats (from Dugo Selo ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Dugo Selo. In Leprovica in Dugo Selo every twentieth inhabitant had the family name Prosnec.
Prevalence
Only a few people with faimily name Prosnec live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian cities only, in Velika Gorica (<5) and Dugo Selo (<5).
Outside Croatia
Family name Prosnec is present in this form only in Croatia.