In Croatia, Kumpar families are Croats (from Kutina area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Kutina.
Prevalence
About 40 people with faimily name Kumpar live in Croatia today, in 18 households. There were 40 of them in the middle of the past century, and their number remains constant. They are only located in four Croatian cities and threee other places, mostly in Zagreb (20), Voloder in Kutina area (15), Stubicke Toplice in Oroslavje area (<5), Vrbovsko (<5), and in Umag (<5).
Outside Croatia
Family name Kumpar is present in three countries on three continents. The family name "Kumpar " is used by small number of people in the United States.