Trupeljak families are Croats and they are mostly from Zagreb. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Ivanic-Grad. In Novaki Nartski in Dugo Selo area every sixth inhabitant had the family name Trupeljak.
Prevalence
About 170 people with faimily name Trupeljak live in Croatia today, in 70 households. There were 210 of them in the middle of the past century, and their number decreased by 20 percent. They are only located in in 7 Croatian cities and 12 other places, mostly in Zagreb (80), Kasinska Sopnica (10), Dugo Selo (<10), Kasina (<10), and in Vuka in Djakovo area (<10).
Outside Croatia
Family name Trupeljak is present in three countries on two continents. The family name "Trupeljak " is used by few people in the United States.
