In Croatia, Knogl families are predominantly Croats (from Daruvar ), rarely Czechs (from Daruvar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar area and in Backa, Vojvodina.
Prevalence
About 10 people with faimily name Knogl live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Daruvar (<10) and Zagreb (<5).
Outside Croatia
Family name Knogl is present in four countries on two continents. The family name "Knogl " is used by some 60 people in Germany and small number in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.