In Croatia, Iskerka families are predominantly Croats (from Lipik ), very rarely Slovaks (also from Lipik ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Lipik.
Prevalence
About 20 people with faimily name Iskerka live in Croatia today, in 6 households. They are located in two Croatian cities only, in Zagreb (15) and Dugo Selo (<10).
Outside Croatia
Family name Iskerka is present in four countries on two continents. The family name "Iskerka " is used by small number of people in Slovakia , small number in Czech Republic , and small number of people in the United States.