Potočki families are Croats and they are mostly from Krapina area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Krapina.
About 660 people with faimily name Potočki live in Croatia today, in 280 households. There were 590 of them in the middle of the past century, and their number increased by 10 percent. They are located in almost all Croatian counties, in 38 cities and 85 other places, mostly in Zagreb (125), Radoboj in Krapina area (60), Lepajci (35), Novska (35), and in Sesvete (30).