Karl families are Croats and they are mostly from Slatina area. In the past century, relatively most of Croatian residents bearing this family name were born in Slatina area and in Zagreb.
Prevalence
About 80 people with faimily name Karl live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 10 percent. They are located in 8 Croatian counties, in 12 cities and 6 other places, mostly in Zagreb (15), Nova Bukovica in Slatina area (10), Split (<10), Osijek (<10), and in Slatina (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.