In Croatia, Pumper families are Croats (from Bjelovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar area and in Bjelovar.
Prevalence
About 10 people with faimily name Pumper live in Croatia today, in five households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, two cities and 5 other places, mostly in Sesvete (<5), Zagreb (<5), Ivanic-Grad (<5), and in Sasovac (<5) and Orlovac (<5) in Bjelovar area.
Outside Croatia
Family name Pumper is present in four countries on three continents. The family name "Pumper " is used by some 300 people in the United States.