In Croatia, Pošmuga families are predominantly Serbs, rarely Croats (from Krapina ). In the past century, relatively most of Croatian residents bearing this family name were born in Slunj area and in Karlovac.
Prevalence
About 30 people with faimily name Pošmuga live in Croatia today, in 14 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in threee Croatian counties and 5 other places, mostly in Rijeka (<10), Krapina (<10), Radosevici (<10), Plaski in Slunj area (<5), and in Dokmanovici (<5).
Outside Croatia
Family name Pošmuga is present in this form only in Croatia.