Only a few people with faimily name Kostenarović live in Croatia today, in households. There were 0 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Jertovec in Zlatar area (<5).
Outside Croatia
Family name Kostenarović is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.
