In Croatia, Jerolimić families are predominantly Croats (from Rijeka area ), rarely Italians (from the Island of Losinj ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Losinj.
Prevalence
Only a few people with faimily name Jerolimić live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Mali Losinj on the Island of Losinj (<5) and Ilovik in Rijeka area (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States. Family name Jerolimić is present in two countries on two continents. The family name "Jerolimic " is used by small number of people in the United States.