In Croatia, Rugle families are Croats (from Zupanja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and in Zupanja area.
Prevalence
About 30 people with faimily name Rugle live in Croatia today, in 16 households. There were 20 of them in the middle of the past century, and their number increased by 100 percent. They are only located in four Croatian cities and two other places, mostly in Slavonski Brod (15), Vrbanja in Zupanja area (<10), Zagreb (<10), Osijek (<5), and in Tvrdjavica (<5).
Outside Croatia
Family name Rugle is present in 10 countries on three continents. The family name "Rugle " is used by small number of people in the United States. "Ruggle " is used by some 60 people in the United States , about 50 in Switzerland , and small number of people in Canada.