In Croatia, Cvjetko families are almost entirely Croats (from Donja Stubica ), very rarely Hungarians (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Donja Stubica.
Prevalence
About 40 people with faimily name Cvjetko live in Croatia today, in 16 households. There were 30 of them in the middle of the past century, and their number increased by 50 percent. They are located in three Croatian cities only: in Zagreb (30), Velika Gorica (<10), and in Varazdin (<5).
Outside Croatia
Family name Cvjetko is present in two countries on two continents. The family name "Cvjetko " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.