Rastovac families are mainly Croats and they are mostly from Sisak. According to some sources they are from Lika, often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and Kutina.
Prevalence
About 100 people with faimily name Rastovac live in Croatia today, in 40 households. There were 180 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 10 Croatian counties, in 8 cities and 15 other places, mostly in Kutina (20), Zagreb (15), Sisak (10), Oravac in Otocac area (<10), and in Split (<10).
Outside Croatia
Family name Rastovac is present in 11 countries on three continents. The family name "Rastovac " is used by small number of people in Switzerland , small number in the United States , and small number of people in the Netherlands.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1927 in source Emigration Commission Zagreb.