Karamarko families are Croats and they are mostly from Obrovac. According to some sources they are from Krusevo. In the past century, relatively most of Croatian residents bearing this family name were born in Obrovac and Zadar. In Kruševo in Obrovac every tenth inhabitant had the family name Karamarko.
Prevalence
About 450 people with faimily name Karamarko live in Croatia today, in 170 households. There were 230 of them in the middle of the past century, and their number doubled. They are located in the most of Croatian counties, in 21 cities and 21 other places, mostly in Zadar (130), Krusevo (85), Zagreb (65), Rijeka (25), and in Obrovac (20).
Outside Croatia
Family name Karamarko is present in 9 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.