In Croatia, Šeperac families are Croats (from Glina ). In the past century, relatively most of Croatian residents bearing this family name were born in Glina and Sisak. In Dvorišće in Glina every tenth inhabitant had the family name Šeperac.
Prevalence
About 60 people with faimily name Šeperac live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 6 cities and 8 other places, mostly in Sisak (10), Petrinja (10), Glina (<10), Osijek (<5), and in Kali on the Island of Ugljan (<5).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Šeperac is present in this form only in Croatia.