Jakopač families are Croats and they are mostly from Samobor area. In the past century, relatively most of Croatian residents bearing this family name were born in Samobor area and in Samobor. In Jagnjić Dol in Samobor area every second inhabitant had the family name Jakopač.
Prevalence
About 70 people with faimily name Jakopač live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 7 cities and four other places, mostly in Jagnjic Dol in Samobor area (25), Samobor (10), Strmec in Samobor area (<10), Rakov Potok (<5), and in Split (<5).
Outside Croatia
Family name Jakopač is present in two countries on two continents. The family name "Jakopac " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.