In Croatia, Nemeček families are almost entirely Croats (from Pleternica area ), barely Bosniaks, and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Krizevci.
Prevalence
About 50 people with faimily name Nemeček live in Croatia today, in 20 households. There were 70 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 7 Croatian counties and 10 other places, mostly in Zagreb (20), Krizevci (15), Gracina (<10), Koprivnica (<10), and in Caglin in Pleternica area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.