Stepinac families are Croats and they are mostly from Jastrebarsko area. In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko area and in Zagreb. In Brezarić in Jastrebarsko area every fifth inhabitant had the family name Stepinac.
About 160 people with faimily name Stepinac live in Croatia today, in 60 households. There were 140 of them in the middle of the past century, and their number increased by 20 percent. They are located in 6 Croatian counties, in 12 cities and 10 other places, mostly in Brezaric in Jastrebarsko area (60), Zagreb (50), Duga Resa (<10), Krasic in Jastrebarsko area (<10), and in Karlovac (<10).
At least eight families with this surname emigrated from Croatia to the United States (5) and Canada (3). Family name Stepinac is present in four countries on two continents. The family name "Stepinac " is used by small number of people in Germany , small number in Canada , and small number of people in the United States.