In Croatia, Tulum families are predominantly Serbs, rarely Croats (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Grubisno Polje and Pakrac.
Prevalence
About 20 people with faimily name Tulum live in Croatia today, in 11 households. There were 60 of them in the middle of the past century, and their number decreased significantly. They are located and two other Croatian places, mostly in Pula (<5), Zagreb (<5), Matulji in Opatija area (<5), Grubisno Polje (<5), and in Rijeka (<5).
Outside Croatia
Family name Tulum is present in 19 countries worldwide. "Tullum " is used by few people in the United States.