Krstanović families are almost entirely Croats and they are mostly from western Bosnia , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Western Bosnia (Tomislavgrad area) and in Western Bosnia (Livno area). In places Sarajlije , Baljci and Šuica in Western Bosnia every eighth inhabitant had the family name Krstanović.
Prevalence
About 510 people with faimily name Krstanović live in Croatia today, in 190 households. There were 150 of them in the middle of the past century, and their number more than tripled. They are located in almost all Croatian counties, in 31 cities and 27 other places, mostly in Zagreb (140), Cepin in Osijek area (70), Velika Gorica (45), Osijek (30), and in Pozega (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1930 in source Emigration Commission Zagreb.