Protulipac families are Croats and they are mostly from Duga Resa. In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Duga Resa. In Petrakovo Brdo in Duga Resa every third inhabitant had the family name Protulipac.
Prevalence
About 300 people with faimily name Protulipac live in Croatia today, in 120 households. There were 320 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 7 Croatian counties, in 9 cities and 31 other places, mostly in Karlovac (95), Duga Resa (60), Zagreb (35), Petrakovo Brdo (25), and in Protulipa in Ogulin area (15).
Outside Croatia
Family name Protulipac is present in 8 countries worldwide. The family name "Protulipac " is used by small number of people in Germany , small number in Canada , and small number in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.