Težak families are Croats and they are mostly from Varazdin area. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and Zagreb.
Prevalence
About 610 people with faimily name Težak live in Croatia today, in 240 households. There were 640 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 23 cities and 66 other places, mostly in Zagreb (115), Vidovec in Varazdin area (60), Varazdin (55), Bedenec (25), and in Jerovec (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.