Vlačić families are almost entirely Croats and they are mostly from Labin , rarely Italians. In the past century, relatively most of Croatian residents bearing this family name were born in Labin and Pula. In Trget in Labin area every fifth inhabitant had the family name Vlačić.
About 260 people with faimily name Vlačić live in Croatia today, in 130 households. There were 370 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 7 Croatian counties, in 12 cities and 32 other places, mostly in Labin (60), Pula (30), Strmac in Labin area (15), Rabac (10), and in Trget in Labin area (10).