Teofilović families are mainly Serbs and they are mostly from Bosnian Krajina , whereas often Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and in Bosanian Posavina (Derventa area).
Prevalence
About 90 people with faimily name Teofilović live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 10 percent. They are located in the most of Croatian counties, in 15 cities and 13 other places, mostly in Vukovar (10), Osijek (<10), Brsadin in Vukovar area (<10), Zagreb (<10), and in Petrinja (<10).
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.