Lacković families are usually Croats and they are mostly from Djurdjevac area and according to some sources from Ivanec area , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Varazdin. In Tugonica in Zlatar area every eighth inhabitant had the family name Lacković.
Prevalence
About 2000 people with faimily name Lacković live in Croatia today, in 800 households. There were 2200 of them in the middle of the past century, and their number decreased by 10 percent. They are located in almost all Croatian counties, in 57 cities and 217 other places, mostly in Zagreb (290), Velika Mlaka (90), Osijek (85), Sesvete (60), and in Tugonica in Zlatar area (55).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over fifty times, the first time 1701 in source Catholic Church Parish Records.