Špoljarić families are Croats and they are mostly from Gospic area. According to some sources they are from Bjelovar area. In the past century, relatively most of Croatian residents bearing this family name were born in Gospic area and in Zagreb. In places Bakovac Kosinjski and Gornji Kosinj in Gospic area every fifth inhabitant had the family name Špoljarić.
About 2800 people with faimily name Špoljarić live in Croatia today, in 1200 households. There were 2600 of them in the middle of the past century, and their number increased by 10 percent. They are located in all Croatian counties, in 74 cities and 293 other places, mostly in Zagreb (435), Osijek (100), Pitomaca in Djurdjevac area (90), Belisce (80), and in Valpovo (65).