In Croatia, Tonček families are Croats (from Orahovica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and in Djakovo area.
Prevalence
About 30 people with faimily name Tonček live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number increased by 40 percent. They are located in threee Croatian counties, threee cities and threee other places, mostly in Slavonski Brod (10), Kutjevo in Orahovica area (10), Staro Topolje in Djakovo area (<10), Virovitica (<5), and in Cajkovci in Djakovo area (<5).
Outside Croatia
Family name Tonček (including: Toncek , Tonchek ) is present in three countries on two continents. "Tonchek " is used by few people in the United States.