Franko families are Croats and they are mostly from Rijeka. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb. In Pernat on the Island of Cres nearly every inhabitant had the family name Franko.
Prevalence
About 80 people with faimily name Franko live in Croatia today, in 40 households. There were 120 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 8 Croatian counties, in 15 cities and 6 other places, mostly in Rijeka (10), Kraljevica (10), Bakarac (10), Mali Losinj on the Island of Losinj (<10), and in Veli Dol (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.