In Croatia, Peculić families are almost entirely Croats (from Labin area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Labin area and in Labin. In Kostrčani in Labin area every sixth inhabitant had the family name Peculić.
Prevalence
About 30 people with faimily name Peculić live in Croatia today, in 13 households. There were 80 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian counties, threee cities and 5 other places, mostly in Rijeka (<10), Novigrad (<5), Liganj in Opatija area (<5), Umag (<5), and in Kostrcani in Labin area (<5).