In Croatia, Davanzo families are predominantly Croats (from Pazin area ), rarely Italians (also from Pazin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Zagreb.
Prevalence
About 20 people with faimily name Davanzo live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in threee Croatian counties, four cities and four other places, mostly in Novigrad (<10), Karojba in Pazin area (<10), Zagreb (<5), Matulji in Opatija area (<5), and in Kastav (<5).
Outside Croatia
Family name Davanzo is present in 32 countries worldwide. The family name "Davanzo " is used by some 2000 people in Brazil , about 2000 in Italy , and some 1000 people in the United States.