Kocen families are Croats and they are mostly from Mursko Sredisce area. In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Zagreb.
Prevalence
About 70 people with faimily name Kocen live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties and 12 other places, mostly in Zagreb (15), in Banfi (<10), Sveti Urban (<10) and Robadje (<10) in Mursko Sredisce area, and in Martinusevec in Cakovec area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over sixty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.