Krstulović families are usually Croats and they are mostly from Split , rarely Italians (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Split and Zagreb.
Prevalence
About 450 people with faimily name Krstulović live in Croatia today, in 220 households. There were 560 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 7 Croatian counties, in 17 cities and 17 other places, mostly in Split (325), Zagreb (55), Supetar on the Island of Brac (20), Trogir (15), and in Rijeka (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.