In Croatia, Dačković families are Croats (from Duga Resa ).
Prevalence
Only a few people with faimily name Dačković live in Croatia today, in three households only. They are located in only two Croatian places: in Duga Resa (<5) and Dobrenici in Ogulin area (<5).
Outside Croatia
Family name Dačković is present in 6 countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1929 in source Emigration Commission Zagreb.