The name Semko was the most popular from years 1940 to 1949, when about 33% of the persons bearing this name were born. The peak year was 1940.
Prevalence
Name Semko is present mainly in Eastern Croatia. Most of the persons named Semko live in the following cities and municipalities: Čepin (less than ten), Drenovci (less than ten), Rijeka (less than ten).